DIFF Subgroup
H05K 3/20 by affixing prefabricated conductor pattern
Introduced: September 1968
Full Title
Apparatus or processes for manufacturing printed circuits > in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern > by affixing prefabricated conductor pattern
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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