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Symbol IPC-Stellen auswählen Titel
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
G01
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MEASURINGTESTING
G01B
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MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONSMEASURING ANGLESMEASURING AREASMEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01C
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MEASURING DISTANCES, LEVELS OR BEARINGSSURVEYINGNAVIGATIONGYROSCOPIC INSTRUMENTSPHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F;  radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effect, propagation time, of radio waves, analogous arrangements using other waves G01S)
G01D
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MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLEARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASSTARIFF METERING APPARATUSTRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLEMEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01F
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MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVELMETERING BY VOLUME [2, 5]
G01G
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WEIGHING
G01H
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MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES [4]
G01J
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MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHTCOLORIMETRYRADIATION PYROMETRY [2]
G01K
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MEASURING TEMPERATUREMEASURING QUANTITY OF HEATTHERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J 5/00)
G01L
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MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE (weighing G01G) [4]
G01M
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TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURESTESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
G01N
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
G01P
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MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCKINDICATING PRESENCE OR ABSENCE OF MOVEMENT INDICATING DIRECTION OF MOVEMENT  (measuring angular rate using gyroscopic effects G01C 19/00; combined measuring devices for measuring two or more variables of movement G01C 23/00; measuring velocity of sound G01H 5/00; measuring velocity of light G01J 7/00; determining direction or velocity of solid objects by reflection or reradiation of radio or other waves and based on propagation effects, e.g. Doppler effect, propagation time or direction of propagation, G01S; measuring speed of nuclear radiation G01T)
G01Q
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SCANNING-PROBE TECHNIQUES OR APPARATUSAPPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING-PROBE MICROSCOPY [SPM] [2010.01]
G01R
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MEASURING ELECTRIC VARIABLESMEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J 3/12)
G01S
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RADIO DIRECTION-FINDINGRADIO NAVIGATIONDETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVESLOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVESANALOGOUS ARRANGEMENTS USING OTHER WAVES
G01S 1/00
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Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmittersReceivers co-operating therewith (position-fixing by co-ordinating a plurality of determinations of direction or position lines G01S 5/00) [1, 2, 2006.01]
G01S 3/00
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Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (position-fixing by co-ordinating a plurality of determinations of direction or position lines G01S 5/00) [1, 2006.01]
G01S 5/00
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Position-fixing by co-ordinating two or more direction or position-line determinationsPosition-fixing by co-ordinating two or more distance determinations [1, 2, 2006.01]
G01S 7/00
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Details of systems according to groups G01S 13/00, G01S 15/00, G01S 17/00 [1, 2006.01]
G01S 11/00
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Systems for determining distance or velocity not using reflection or reradiation (position-fixing by co-ordinating two or more distance determinations G01S 5/00) [1, 2, 2006.01]
G01S 13/00
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Systems using the reflection or reradiation of radio waves, e.g. radar systemsAnalogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified [3, 2006.01]
G01S 13/02
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Systems using reflection of radio waves, e.g. primary radar systemsAnalogous systems [3, 2006.01]
G01S 13/04
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. . Systems determining presence of a target (based on relative movement of target G01S 13/56) [3, 2006.01]
G01S 13/06
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. . Systems determining position data of a target [3, 2006.01]
G01S 13/08
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. . . Systems for measuring distance only (indirect measurement G01S 13/46) [3, 2006.01]
G01S 13/10
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. . . . using transmission of interrupted, pulse modulated waves  (determination of distance by phase measurement G01S 13/32) [3, 2006.01]
G01S 13/12
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. . . . . wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse [3, 2006.01]
G01S 13/14
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. . . . . wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception [3, 2006.01]
G01S 13/16
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. . . . . . using counters [3, 2006.01]
G01S 13/18
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. . . . . wherein range gates are used [3, 2006.01]
G01S 13/20
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. . . . . whereby multiple time-around echos are used or eliminated [3, 2006.01]
G01S 13/22
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. . . . . using irregular pulse repetition frequency [3, 2006.01]
G01S 13/24
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. . . . . using frequency agility of carrier wave [3, 2006.01]
G01S 13/26
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. . . . . wherein the transmitted pulses use a frequency- or phase-modulated carrier wave [3, 2006.01]
G01S 13/28
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. . . . . . with time compression of received pulses [3, 2006.01]
G01S 13/30
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. . . . . using more than one pulse per radar period [3, 2006.01]
G01S 13/32
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. . . . using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated [3, 2006.01]
G01S 13/34
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. . . . . using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal [3, 2006.01]
G01S 13/36
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. . . . . with phase comparison between the received signal and the contemporaneously transmitted signal [3, 2006.01]
G01S 13/38
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. . . . . . wherein more than one modulation frequency is used [3, 2006.01]
G01S 13/40
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. . . . . . wherein the frequency of transmitted signal is adjusted to give a predetermined phase relationship [3, 2006.01]
G01S 13/42
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. . . Simultaneous measurement of distance and other coordinates (indirect measurement G01S 13/46) [3, 2006.01]
G01S 13/44
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. . . . Monopulse radar, i.e. simultaneous lobing [3, 2006.01]
G01S 13/46
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. . . Indirect determination of position data [3, 2006.01]
G01S 13/48
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. . . . using multiple beams at emission or reception [3, 2006.01]
G01S 13/50
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. . Systems of measurement based on relative movement of target [3, 2006.01]
G01S 13/52
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. . . Discriminating between fixed and moving objects or between objects moving at different speeds [3, 2006.01]
G01S 13/522
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. . . . using transmissions of interrupted pulse modulated waves [5, 2006.01]
G01S 13/524
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. . . . . based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi [5, 2006.01]
G01S 13/526
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. . . . . . performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters [5, 2006.01]
G01S 13/528
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. . . . . . . with elimination of blind speeds [5, 2006.01]
G01S 13/53
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. . . . . . performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar [5, 2006.01]
G01S 13/532
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. . . . . . . using a bank of range gates or a memory matrix [5, 2006.01]
G01S 13/534
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. . . . . . based upon amplitude or phase shift resulting from movement of objects, with reference to the surrounding clutter echo signal, e.g. non-coherent MTi, clutter referenced MTi, externally coherent MTi [5, 2006.01]
G01S 13/536
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. . . . using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves [5, 2006.01]
G01S 13/538
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. . . . eliminating objects that have not moved between successive antenna scans, e.g. area MTi [5, 2006.01]
G01S 13/56
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. . . . for presence detection [3, 2006.01]
G01S 13/58
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. . . Velocity or trajectory determination systemsSense-of-movement determination systems [3, 2006.01]
G01S 13/60
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. . . . wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track (G01S 13/64 takes precedence) [3, 2006.01]
G01S 13/62
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. . . . Sense-of-movement determination [3, 2006.01]
G01S 13/64
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. . . . Velocity measuring systems using range gates [3, 2006.01]
G01S 13/66
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Radar-tracking systemsAnalogous systems [3, 2006.01]
G01S 13/68
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. . for angle tracking only [3, 2006.01]
G01S 13/70
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. . for range tracking only [3, 2006.01]
G01S 13/72
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. . for two-dimensional tracking, e.g. combination of angle and range tracking, track-while-scan radar [3, 2006.01]
G01S 13/74
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Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems [3, 6, 2006.01]
G01S 13/75
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. . using transponders powered from received waves, e.g. using passive transponders [6, 2006.01]
G01S 13/76
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. . wherein pulse-type signals are transmitted [3, 2006.01]
G01S 13/78
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. . . discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe (G01S 13/75, G01S 13/79 takes precedence) [3, 2006.01]
G01S 13/79
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. . Systems using random coded signals or random pulse repetition frequencies [6, 2006.01]
G01S 13/82
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. . wherein continuous-type signals are transmitted [3, 2006.01]
G01S 13/84
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. . . for distance determination by phase measurement [3, 2006.01]
G01S 13/86
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Combinations of radar systems with non-radar systems, e.g. sonar, direction finder [3, 2006.01]
G01S 13/87
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Combinations of radar systems, e.g. primary radar and secondary radar [3, 2006.01]
G01S 13/88
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Radar or analogous systems, specially adapted for specific applications (electromagnetic prospecting or detecting of objects, e.g. near-field detection, G01V 3/00) [3, 6, 2006.01]
G01S 13/89
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. . for mapping or imaging [3, 2006.01]
G01S 13/90
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. . . using synthetic aperture techniques [3, 6, 2006.01]
G01S 13/91
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. . for traffic control (G01S 13/93 takes precedence) [3, 2006.01]
G01S 13/92
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. . . for velocity measurement [3, 2006.01]
G01S 13/93
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. . for anti-collision purposes [3, 2006.01, 2020.01]
G01S 13/931
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. . . of land vehicles [2020.01]
G01S 13/933
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. . . of aircraft or spacecraft [2020.01]
G01S 13/934
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. . . . on airport surfaces, e.g. while taxiing [2020.01]
G01S 13/935
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. . . . for terrain-avoidance [2020.01]
G01S 13/937
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. . . of marine craft [2020.01]
G01S 13/94
(transferred to G01S 13/935)
G01S 13/95
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. . for meteorological use [3, 2006.01]
G01S 15/00
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Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems [3, 2006.01, 2020.01]
G01S 17/00
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Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems [3, 2006.01, 2020.01]
G01S 19/00
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Satellite radio beacon positioning systemsDetermining position, velocity or attitude using signals transmitted by such systems [2010.01]
G01T
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MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N 23/00; tubes for determining the presence, intensity, density or energy of radiation or particles  H01J 47/00)
G01V
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GEOPHYSICSGRAVITATIONAL MEASUREMENTSDETECTING MASSES OR OBJECTSTAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B 29/02) [4, 6]
G01W
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METEOROLOGY (radar, sonar, lidar or analogous systems, designed for meteorological use G01S 13/95, G01S 15/88, G01S 17/95)
G02
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OPTICS
G03
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PHOTOGRAPHYCINEMATOGRAPHYANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVESELECTROGRAPHYHOLOGRAPHY [4]
G04
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HOROLOGY
G05
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CONTROLLINGREGULATING
G06
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COMPUTINGCALCULATING OR COUNTING
G07
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CHECKING-DEVICES
G08
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SIGNALLING
G09
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EDUCATINGCRYPTOGRAPHYDISPLAYADVERTISINGSEALS
G10
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MUSICAL INSTRUMENTSACOUSTICS
G11
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INFORMATION STORAGE
G12
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INSTRUMENT DETAILS
G16
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INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS [2018.01]
G21
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NUCLEAR PHYSICSNUCLEAR ENGINEERING
G99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
H
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ELECTRICITY

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