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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
H
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ELECTRICITY
H01
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BASIC ELECTRIC ELEMENTS
H01B
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CABLESCONDUCTORSINSULATORSSELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F 1/00; waveguides H01P)
H01C
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RESISTORS
H01F
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MAGNETSINDUCTANCESTRANSFORMERSSELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES [2]
H01F 1/00
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Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties [1, 2006.01]
H01F 1/01
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of inorganic materials (H01F 1/44 takes precedence) [6, 2006.01]
H01F 1/03
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. . characterised by their coercivity [6, 2006.01]
H01F 1/032
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. . . of hard-magnetic materials [6, 2006.01]
H01F 1/04
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. . . . metals or alloys [1, 6, 2006.01]
H01F 1/047
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. . . . . Alloys characterised by their composition [5, 6, 2006.01]
H01F 1/053
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. . . . . . containing rare earth metals [5, 6, 2006.01]
H01F 1/055
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. . . . . . . and magnetic transition metals, e.g. SmCo5 [6, 2006.01]
H01F 1/057
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. . . . . . . . and IIIa elements, e.g. Nd2Fe14B [6, 2006.01]
H01F 1/058
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. . . . . . . . and IVa elements, e.g. Gd2Fe14C [6, 2006.01]
H01F 1/059
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. . . . . . . . and Va elements, e.g. Sm2Fe17N2 [6, 2006.01]
H01F 1/06
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. . . . . in the form of particles, e.g. powder (H01F 1/047 takes precedence) [1, 5, 6, 2006.01]
H01F 1/08
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. . . . . . pressed, sintered, or bound together [1, 6, 2006.01]
H01F 1/09
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. . . . mixtures of metallic and non-metallic particlesmetallic particles having oxide skin [1, 6, 2006.01]
H01F 1/10
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. . . . non-metallic substances, e.g. ferrites [1, 6, 2006.01]
H01F 1/11
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. . . . . in the form of particles [1, 6, 2006.01]
H01F 1/113
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. . . . . . in a bonding agent [1, 6, 2006.01]
H01F 1/117
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. . . . . . . Flexible bodies [1, 6, 2006.01]
H01F 1/12
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. . . of soft-magnetic materials [1, 6, 2006.01]
H01F 1/14
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. . . . metals or alloys [1, 6, 2006.01]
H01F 1/147
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. . . . . Alloys characterised by their composition [5, 6, 2006.01]
H01F 1/153
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. . . . . . Amorphous metallic alloys, e.g. glassy metals [5, 6, 2006.01]
H01F 1/16
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. . . . . in the form of sheets (H01F 1/147 takes precedence) [1, 5, 6, 2006.01]
H01F 1/18
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. . . . . . with insulating coating [1, 6, 2006.01]
H01F 1/20
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. . . . . in the form of particles, e.g. powder (H01F 1/147 takes precedence) [1, 5, 6, 2006.01]
H01F 1/22
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. . . . . . pressed, sintered, or bound together [1, 6, 2006.01]
H01F 1/24
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. . . . . . . the particles being insulated [1, 6, 2006.01]
H01F 1/26
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. . . . . . . . by macromolecular organic substances [1, 6, 2006.01]
H01F 1/28
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. . . . . . dispersed or suspended in a bonding agent [1, 6, 2006.01]
H01F 1/33
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. . . . mixtures of metallic and non-metallic particlesmetallic particles having oxide skin [1, 6, 2006.01]
H01F 1/34
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. . . . non-metallic substances, e.g. ferrites [1, 6, 2006.01]
H01F 1/36
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. . . . . in the form of particles [1, 6, 2006.01]
H01F 1/37
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. . . . . . in a bonding agent [1, 6, 2006.01]
H01F 1/375
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. . . . . . . Flexible bodies [1, 6, 2006.01]
H01F 1/38
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. . . . . amorphous, e.g. amorphous oxides [6, 2006.01]
H01F 1/40
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. . of magnetic semiconductor materials, e.g. CdCr2S4 [6, 2006.01]
H01F 1/42
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of organic or organo-metallic materials (H01F 1/44 takes precedence) [6, 2006.01]
H01F 1/44
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of magnetic liquids, e.g. ferrofluids [6, 2006.01]
H01F 3/00
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Cores, yokes or armatures [1, 2006.01]
H01F 5/00
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Coils (superconducting coils H01F 6/06; fixed inductances of the signal type H01F 17/00) [1, 2006.01]
H01F 6/00
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Superconducting magnetsSuperconducting coils [6, 2006.01]
H01F 7/00
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Magnets (superconducting magnets H01F 6/00) [1, 2006.01]
H01F 10/00
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Thin magnetic films, e.g. of one-domain structure [1, 2006.01]
H01F 13/00
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Apparatus or processes for magnetising or demagnetising [1, 2006.01]
H01F 17/00
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Fixed inductances of the signal type [1, 2006.01]
H01F 19/00
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Fixed transformers or mutual inductances of the signal type (H01F 36/00 takes precedence) [1, 3, 2006.01]
H01F 21/00
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Variable inductances or transformers of the signal type (H01F 36/00 takes precedence) [1, 3, 2006.01]
H01F 27/00
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Details of transformers or inductances, in general [1, 6, 2006.01]
H01F 29/00
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Variable transformers or inductances not covered by group H01F 21/00 [1, 2006.01]
H01F 30/00
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Fixed transformers not covered by group H01F 19/00 [6, 2006.01]
H01F 36/00
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Transformers with superconductive windings or with windings operating at cryogenic temperatures [3, 2006.01]
H01F 37/00
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Fixed inductances not covered by group H01F 17/00 [1, 6, 2006.01]
H01F 38/00
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Adaptations of transformers or inductances for specific applications or functions [6, 2006.01]
H01F 41/00
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Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties [1, 2006.01]
H01G
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CAPACITORSCAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B 3/00; capacitors with potential-jump or surface barrier H01L 29/00)
H01H
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ELECTRIC SWITCHESRELAYSSELECTORSEMERGENCY PROTECTIVE DEVICES (contact cables H01B 7/10; electrolytic self-interrupters H01G 9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K 17/00)
H01J
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ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; arc lamps with consumable electrodes H05B; particle accelerators H05H)
H01K
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ELECTRIC INCANDESCENT LAMPS (details or apparatus or processes for manufacture applicable to both discharge devices and incandescent lamps H01J; light sources using a combination of incandescent and other types of light generation H01J 61/96, H05B 35/00)
H01L
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SEMICONDUCTOR DEVICESELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR (use of semiconductor devices for measuring G01; resistors in general H01C; magnets, inductors, transformers H01F; capacitors in general H01G; electrolytic devices H01G 9/00; batteries, accumulators H01M; waveguides, resonators, or lines of the waveguide type H01P; line connectors, current collectors H01R; stimulated-emission devices H01S; electromechanical resonators H03H; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H04R; electric light sources in general H05B; printed circuits, hybrid circuits, casings or constructional details of electrical apparatus, manufacture of assemblages of electrical components H05K; use of semiconductor devices in circuits having a particular application, see the subclass for the application) [2]
H01M
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PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY [2]
H01P
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WAVEGUIDESRESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B)
H01Q
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AERIALS (radiators or aerials for microwave heating H05B 6/72)
H01R
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ELECTRICALLY-CONDUCTIVE CONNECTIONSSTRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTSCOUPLING DEVICESCURRENT COLLECTORS (switches, fuses H01H; coupling devices of the waveguide type H01P 5/00; switching arrangements for the supply or distribution of electric power H02B; installations of electric cables or lines, or of combined optical and electric cables or lines, or of auxiliary apparatus H02G; printed means for providing electric connections to or between printed circuits H05K)
H01S
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DEVICES USING STIMULATED EMISSION
H01T
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SPARK GAPSOVERVOLTAGE ARRESTERS USING SPARK GAPSSPARKING PLUGSCORONA DEVICESGENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H)
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
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BASIC ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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