DIFF Subgroup
B26B 21/60 by the coating material
Introduced: January 1980
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 > characterised by the material > by the coating material
No child classifications to compare. This is a leaf node in both IPC and CPC.