DIFF Subgroup
E04G 17/04 Connecting or fastening means for metallic forming or stiffening elements
Introduced: September 1968
Full Title
Connecting or other auxiliary members for forms, falsework structures, or shutterings > Connecting or fastening means for metallic forming or stiffening elements
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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