DIFF Subgroup
B23K 11/18 of non-ferrous metals (B23K11/20 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: of non-ferrous metals
CPC: of non-ferrous metals (B23K11/20 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Resistance welding; Severing by resistance heating > taking account of the properties of the material to be welded > of non-ferrous metals
CPC:
Resistance welding; Severing by resistance heating > taking account of the properties of the material to be welded > of non-ferrous metals (B23K11/20 takes precedence)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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