DIFF Subgroup
B21D 5/14 by passing between rollers (B21D5/06 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by passing between rollers
CPC: by passing between rollers (B21D5/06 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Bending sheet metal along straight lines, e.g. to form simple curves > by passing between rollers
CPC:
Bending sheet metal along straight lines, e.g. to form simple curves (B21D11/06 - B21D11/18 take precedence; corrugating sheet metal B21D13/00; as edge treatment B21D19/00) > by passing between rollers (B21D5/06 takes precedence)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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