DIFF Subgroup
B26B 21/54 Razor-blades
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 > Razor-blades
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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