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broaching (2) 2
chemistry (2) 2
cutting (2) 2
cutting-out (2) 2
filing (2) 2
general tagging of cross-sectional technologies spanning over several sections of the ipc (2) 2
general tagging of new technological developments (2) 2
glass (2) 2
hand cutting tools (2) 2
like operations for working metal by removing material, nototherwise provided for (2) 2
machine tools (2) 2
manufacture, shaping, or supplementary processes (2) 2
metal-working not otherwise provided for (2) 2
metallurgy (2) 2
mineral or slag wool (2) 2
optical elements, systems, or apparatus (2) 2
optics (2) 2
perforating (2) 2
performing operations (2) 2
physics (2) 2
planing (2) 2
punching (2) 2
sawing (2) 2
scraping (2) 2
severing (2) 2
severing by means other than cutting (2) 2
shearing (2) 2
slotting (2) 2
stamping-out (2) 2
technical subjects covered by former us classification (2) 2
technical subjects covered by former uspc (2) 2
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (2) 2
transporting (2) 2
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