DIFF Subgroup
B32B 15/04 comprising metal as the main or only constituent of a layer, next to another layer of a
Introduced: September 1968
Title
Titles differ between systems:
IPC: comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
CPC: comprising metal as the main or only constituent of a layer, next to another layer of a
Full Title
Full titles differ between systems:
IPC:
Layered products essentially comprising metal > comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
CPC:
Layered products comprising metal > comprising metal as the main or only constituent of a layer, next to another layer of a
Of 6 combined children, 4 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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