DIFF Subgroup
B23K 20/02 by means of a press
Introduced: January 1980
Full Title
Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating > by means of a press
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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