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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
F01
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ENGINES OR PUMPS
F01
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MACHINES OR ENGINES IN GENERALENGINE PLANTS IN GENERALSTEAM ENGINES
F02
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COMBUSTION ENGINESHOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F03
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MACHINES OR ENGINES FOR LIQUIDSWIND, SPRING, OR WEIGHT MOTORSPRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F04
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POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDSPUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F15
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ENGINEERING IN GENERAL
F15
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FLUID-PRESSURE ACTUATORSHYDRAULICS OR PNEUMATICS IN GENERAL
F15B
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SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERALFLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORSDETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15C
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FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES (transducers F15B 5/00; fluid dynamics in general F15D; computers comprising fluid elements G06D, G06G)
F15C 1/00
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Circuit elements having no moving parts [1, 2006.01]
F15C 1/02
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Details [1, 2006.01]
F15C 1/04
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. . Means for controlling fluid streams to fluid devices, e.g. by electric signals [1, 2006.01]
F15C 1/06
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. . Constructional detailsSelection of specified materials [1, 2006.01]
F15C 1/08
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Boundary-layer devices, e.g. wall-attachment amplifiers [1, 2, 2006.01]
F15C 1/10
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. . for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate [1, 2006.01]
F15C 1/12
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. . . Multiple arrangements thereof for performing operations of the same kind, e.g. majority gates, identity gates [1, 2006.01]
F15C 1/14
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Stream-interaction devicesMomentum-exchange devices, e.g. operating by exchange between two orthogonal fluid jets [1, 2006.01]
F15C 1/16
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Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid [1, 2006.01]
F15C 1/18
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Turbulence devices, i.e. devices in which a controlling stream will cause a laminar flow to become turbulent [1, 2006.01]
F15C 1/20
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Direct-impact devices, i.e. devices in which two collinear opposing power streams are impacted [1, 2006.01]
F15C 1/22
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Oscillators [2, 2006.01]
F15C 3/00
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Circuit elements having moving parts (valves, construction of valves F16K) [1, 2006.01]
F15C 4/00
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Circuit elements characterised by their special functions [1, 2006.01]
F15C 5/00
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Manufacture of fluid-circuit elementsManufacture of assemblages of such elements [1, 2006.01]
F15C 7/00
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Hybrid elements, i.e. circuit elements having features according to groups F15C 1/00 and F15C 3/00 [2, 2006.01]
F15D
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FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
F16
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ENGINEERING ELEMENTS OR UNITSGENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONSTHERMAL INSULATION IN GENERAL
F17
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STORING OR DISTRIBUTING GASES OR LIQUIDS
F21
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LIGHTINGHEATING
F21
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LIGHTING
F22
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STEAM GENERATION
F23
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COMBUSTION APPARATUSCOMBUSTION PROCESSES
F24
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HEATINGRANGESVENTILATING
F25
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REFRIGERATION OR COOLINGCOMBINED HEATING AND REFRIGERATION SYSTEMSHEAT PUMP SYSTEMSMANUFACTURE OR STORAGE OF ICELIQUEFACTION OR SOLIDIFICATION OF GASES
F26
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DRYING
F27
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FURNACESKILNS, OVENS OR RETORTS [4]
F28
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HEAT EXCHANGE IN GENERAL
F41
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WEAPONSBLASTING
F41
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WEAPONS
F42
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AMMUNITIONBLASTING
F99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
G
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PHYSICS
H
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ELECTRICITY

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