DIFF Subgroup
B26B 21/04 Razors of the knife type
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 unchangeable blades > Razors of the knife type
No child classifications to compare. This is a leaf node in both IPC and CPC.