DIFF Subgroup
B26F 1/16 Perforating by tool or tools of the drill type
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor > Perforating by tool or tools of the drill type
CPC:
Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (perforating by laser beam B23K26/00; subjecting the grinding tools or the abrading medium to vibration, e.g. grinding with ultrasonic frequency, B24B1/04; perforating by sand-blasting B24C; punching cards or tapes for statistical and record purposes G06K1/00) > Perforating by tool or tools of the drill type
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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