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chemistry (160614) 160614
metallurgy (160614) 160614
chemical surface treatment (160569) 160569
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (160569) 160569
coating material with metallic material (160569) 160569
coating metallic material (160569) 160569
diffusion treatment of metallic material (160569) 160569
inhibiting corrosion of metallic material or incrustation ingeneral (160569) 160569
multi-step processes for surface treatment of metallicmaterial involving at least one process provided for in classc23 and at least oneprocess covered by subclass c21d or c22f or class c25 (160527) 160527
non-mechanical removal of metallic material from surface (160527) 160527
electricity (57316) 57316
basic electric elements (49188) 49188
electric solid state devices not otherwise provided for (41138) 41138
semiconductor devices (41138) 41138
performing operations (39367) 39367
transporting (39367) 39367
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (28530) 28530
surface treatment of metallic material by diffusion into thesurface, by chemical conversion or substitution (28530) 28530
adhesives (24299) 24299
dyes (24299) 24299
miscellaneous applications of materials (24299) 24299
miscellaneous compositions (24299) 24299
natural resins (24299) 24299
paints (24299) 24299
polishes (24299) 24299
general tagging of cross-sectional technologies spanning over several sections of the ipc (19467) 19467
general tagging of new technological developments (19467) 19467
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (19467) 19467
physics (17560) 17560
electric techniques not otherwise provided for (17494) 17494
materials for miscellaneous applications, not provided forelsewhere (15498) 15498
technical subjects covered by former uspc (14741) 14741
apparatus therefor (13956) 13956
blasting (12269) 12269
heating (12269) 12269
lighting (12269) 12269
mechanical engineering (12269) 12269
weapons (12269) 12269
electric discharge tubes or discharge lamps (12143) 12143
electrolytic or electrophoretic processes (12073) 12073
casings or constructional details of electric apparatus (10434) 10434
manufacture of assemblages of electrical components (10434) 10434
printed circuits (10434) 10434
treatment of water, waste water, sewage, or sludge (9654) 9654
cleaning or degreasing of metallic material by chemicalmethods other than electrolysis (9355) 9355
technical subjects covered by former us classification (9244) 9244
chemical paint or ink removers (8336) 8336
coating compositions, e.g. paints, varnishes orlacquers (8336) 8336
correcting fluids (8336) 8336
filling pastes (8336) 8336
inks (8336) 8336
pastes or solids for colouring or printing (8336) 8336
use of materials therefor (8336) 8336
woodstains (8336) 8336
electroforming (7880) 7880
processes for the electrolytic or electrophoretic productionof coatings (7880) 7880
physical or chemical processes or apparatus in general (7339) 7339
ferrous or non-ferrous alloys (7337) 7337
treatment of alloys or non-ferrous metals (7337) 7337
compositions based thereon (6774) 6774
organic macromolecular compounds (6774) 6774
their preparation or chemical working-up (6774) 6774
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (6703) 6703
cinematography (6687) 6687
electrography (6687) 6687
holography (6687) 6687
photography (6687) 6687
organic chemistry (6436) 6436
fuels (6430) 6430
lubricants (6430) 6430
peat (6430) 6430
petroleum, gas or coke industries (6430) 6430
technical gases containing carbon monoxide (6430) 6430
plasma technique (6421) 6421
production of accelerated electrically-charged particles or ofneutrons (6421) 6421
production or acceleration of neutral molecular or atomicbeams (6421) 6421
apparatus specially adapted therefor (6327) 6327
materials therefor (6291) 6291
originals therefor (6291) 6291
photomechanical production of textured or patterned surfaces,e.g. for printing, for processing of semiconductordevices (6291) 6291
applying liquids or other fluent materials to surfaces, in general (5950) 5950
spraying or atomising in general (5950) 5950
technologies or applications for mitigation or adaptation againstclimate change (5495) 5495
measuring (5212) 5212
testing (5212) 5212
alloys (5114) 5114
human necessities (4968) 4968
layered products (4838) 4838
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (4838) 4838
processes for applying liquids or other fluent materials tosurfaces, in general (4771) 4771
fixed constructions (4569) 4569
machine tools (4543) 4543
metal-working not otherwise provided for (4543) 4543
engineering elements and units (4424) 4424
general measures for producing and maintaining effectivefunctioning of machines or installations (4424) 4424
thermal insulation in general (4424) 4424
lubricating compositions (4264) 4264
use of chemical substances either alone or as lubricatingingredients in a lubricating composition (4264) 4264
metallurgy of iron (4103) 4103
chemical or physical processes, e.g. catalysis or colloidchemistry (3982) 3982
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English (135678) 135678
French (21386) 21386
German (18636) 18636
Chinese (16707) 16707
Korean (5477) 5477
Japanese (3700) 3700
Russian (2663) 2663
Spanish (2535) 2535
Portuguese (1369) 1369
Norwegian (1027) 1027
Italian (838) 838
Swedish (785) 785
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Dutch (624) 624
Finnish (562) 562
Polish (378) 378
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Ukrainian (186) 186
Czech (153) 153
Hungarian (71) 71
Turkish (68) 68
Bulgarian (55) 55
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