DIFF Subgroup
F16G 13/18 Chains having special overall characteristics
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Chains > Chains having special overall characteristics
CPC:
Chains (making thereof B21L) > Chains having special overall characteristics
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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