DIFF Subgroup
B26B 21/22 involving several blades to be used simultaneously
Introduced: September 1968
Full Title
Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor > involving changeable blades > Safety razors with one or more blades arranged transversely to the handle > involving several blades to be used simultaneously
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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