DIFF Subgroup
E05B 19/26 Use of special materials for keys
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Keys; Accessories therefor > Use of special materials for keys
CPC:
Keys; Accessories therefor ( making keys, see the relevant places, e.g. B21D53/42; milling grooves in keys B23C3/35) > Use of special materials for keys
No child classifications to compare. This is a leaf node in both IPC and CPC.