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clutches (8542) 8542
brakes (7724) 7724
mechanical engineering (7721) 7721
heating (7647) 7647
lighting (7643) 7643
blasting (7642) 7642
couplings for transmitting rotation (7642) 7642
engineering elements and units (7642) 7642
general measures for producing and maintaining effectivefunctioning of machines or installations (7642) 7642
thermal insulation in general (7642) 7642
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general tagging of cross-sectional technologies spanning over several sections of the ipc (742) 742
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arrangement of braking elements on vehicles in general (420) 420
brake control systems or parts thereof, in general (420) 420
mechanical engineering. machine design (420) 420
portable devices for preventing unwanted movement ofvehicles (420) 420
vehicle brake control systems or parts thereof (420) 420
vehicle modifications to facilitate cooling of brakes (420) 420
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shafts, couplings, clutches, brakes (415) 415
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bearings (408) 408
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elements or crankshaft mechanisms (394) 394
flexible shafts (394) 394
rotary bodies other than gearing elements (394) 394
engineering (388) 388
life history (375) 375
physics (373) 373
arrangement or mounting of plural diverse prime-movers invehicles (371) 371
arrangement or mounting of propulsion units or oftransmissions in vehicles (371) 371
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (371) 371
auxiliary drives for vehicles (371) 371
instrumentation or dashboards for vehicles (371) 371
adhesives (357) 357
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miscellaneous applications of materials (356) 356
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natural resins (356) 356
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materials for miscellaneous applications, not provided forelsewhere (349) 349
lizards (341) 341
chicks (340) 340
life sciences (340) 340
clutch (334) 334
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