DIFF Subgroup
E05B 27/10 operated by other surfaces of the key, e.g. openings receiving projections on the tumblers
Introduced: September 1968
Full Title
Cylinder locks with tumbler pins or balls that are set by pushing the key in > operated by other surfaces of the key, e.g. openings receiving projections on the tumblers
No child classifications to compare. This is a leaf node in both IPC and CPC.