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electricity (1790) 1790
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basic electric elements (1266) 1266
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semiconductor devices (1092) 1092
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materials for miscellaneous applications, not provided forelsewhere (550) 550
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measuring (441) 441
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technology (379) 379
fixed constructions (317) 317
functional features or details of lighting devices or systemsthereof (312) 312
structural combinations of lighting devices with otherarticles, not otherwise provided for (312) 312
acyclic, carbocyclic or heterocyclic compounds containingelements other than carbon, hydrogen, halogen, oxygen, nitrogen,sulfur, selenium or tellurium (292) 292
general tagging of cross-sectional technologies spanning over several sections of the ipc (282) 282
general tagging of new technological developments (282) 282
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (282) 282
technologies or applications for mitigation or adaptation againstclimate change (281) 281
humans (276) 276
compositions based thereon (271) 271
organic macromolecular compounds (271) 271
their preparation or chemical working-up (271) 271
macromolecular compounds obtained otherwise than by reactionsonly involving unsaturated carbon-to-carbon bonds (248) 248
heterocyclic compounds (230) 230
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (226) 226
conversion or distribution of electric power (223) 223
electric communication technique (223) 223
generation (223) 223
ranges (223) 223
ventilating (223) 223
air-conditioning, air-humidification, ventilation, use of aircurrents for screening (212) 212
animals (201) 201
materials science (195) 195
counting (194) 194
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handling thin or filamentary material (144) 144
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non-portable lighting devices (137) 137
systems thereof (137) 137
vehicle lighting devices specially adapted for vehicleexteriors (137) 137
electric techniques not otherwise provided for (136) 136
trapping (134) 134
hunting (133) 133
animal husbandry (132) 132
fishing (132) 132
investigating or analysing materials by determining theirchemical or physical properties (127) 127
measuring electric variables (124) 124
measuring magnetic variables (124) 124
male (121) 121
proteins (115) 115
cell biology (114) 114
electric heating (113) 113
electric lighting not otherwise provided for (113) 113
engineering elements and units (112) 112
general measures for producing and maintaining effectivefunctioning of machines or installations (112) 112
physical or chemical processes or apparatus in general (112) 112
thermal insulation in general (112) 112
chemistry, multidisciplinary (111) 111
electric digital data processing (111) 111
mining (110) 110
earth drilling (107) 107
combined heating and refrigeration systems (106) 106
female (106) 106
heat pump systems (106) 106
liquefaction solidification of gases (106) 106
manufacture or storage of ice (106) 106
refrigeration or cooling (106) 106
heat-pump systems (100) 100
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English (7280) 7280
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