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physics (111) 111
performing operations (94) 94
transporting (94) 94
science & technology (83) 83
mechanical engineering (68) 68
weapons (68) 68
blasting (67) 67
heating (67) 67
lighting (67) 67
measuring (66) 66
testing (66) 66
chemistry (64) 64
engineering elements and units (45) 45
general measures for producing and maintaining effectivefunctioning of machines or installations (45) 45
metallurgy (45) 45
thermal insulation in general (45) 45
physical sciences (39) 39
actuating-floats (38) 38
cocks (38) 38
devices for venting or aerating (38) 38
taps (38) 38
valves (38) 38
electricity (36) 36
life sciences & biomedicine (28) 28
measuring angles (28) 28
measuring areas (28) 28
measuring irregularities of surfaces or contours (28) 28
measuring length, thickness or similar lineardimensions (28) 28
calculating (26) 26
computing (26) 26
counting (26) 26
conveying (25) 25
handling thin or filamentary material (25) 25
packing (25) 25
storing (25) 25
technology (24) 24
human necessities (23) 23
fixed constructions (22) 22
working of plastics (22) 22
working of substances in a plastic state, in general (22) 22
after-treatment of the shaped products, e.g. repairing (21) 21
shaping of material in a plastic state, not otherwise providedfor (21) 21
shaping or joining of plastics (21) 21
agriculture (20) 20
basic electric elements (20) 20
testing static or dynamic balance of machines orstructures (18) 18
testing structures or apparatus not otherwise provided for (18) 18
trapping (18) 18
animal husbandry (17) 17
fishing (17) 17
forestry (17) 17
general devices for heat treatment of ferrous or non-ferrousmetals or alloys (17) 17
hunting (17) 17
making metal malleable by decarburisation, tempering or othertreatments (17) 17
metallurgy of iron (17) 17
modifying the physical structure of ferrous metals (17) 17
textiles (15) 15
analysis (14) 14
machine tools (14) 14
materials science (14) 14
metal-working not otherwise provided for (14) 14
science & technology - other topics (14) 14
conversion or distribution of electric power (13) 13
generation (13) 13
humans (13) 13
cultivation of vegetables, flowers, rice, fruit, vines, hopsor seaweed (12) 12
horticulture (12) 12
investigating or analysing materials by determining theirchemical or physical properties (12) 12
natural or artificial threads or fibres (12) 12
spinning (12) 12
watering (12) 12
controlling (11) 11
fuels (11) 11
general tagging of cross-sectional technologies spanning over several sections of the ipc (11) 11
general tagging of new technological developments (11) 11
lubricants (11) 11
peat (11) 11
petroleum, gas or coke industries (11) 11
pneumatic tube conveyors (11) 11
regulating (11) 11
shop conveyor systems (11) 11
spinning or twisting (11) 11
technical gases containing carbon monoxide (11) 11
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (11) 11
technologies or applications for mitigation or adaptation againstclimate change (11) 11
transport or storage devices, e.g. conveyors for loading ortipping (11) 11
chemistry, multidisciplinary (10) 10
data processing systems or methods, specially adapted foradministrative, commercial, financial, managerial, supervisoryor forecasting purposes (10) 10
engineering (10) 10
gyroscopic instruments (10) 10
measuring distances, levels or bearings (10) 10
navigation (10) 10
photogrammetry or videogrammetry (10) 10
surveying (10) 10
systems or methods specially adapted for administrative,commercial, financial, managerial, supervisory or forecastingpurposes, not otherwise provided for (10) 10
animals (9) 9
climate change mitigation technologies in the production orprocessing of goods (9) 9
earth drilling (9) 9
image data processing or generation, in general (9) 9
indexing scheme associated with subclass c10m relating to lubricatingcompositions (9) 9
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