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PCE
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DIFF Subgroup
E05B 19/14

Double keys

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Keys; Accessories therefor > Double keys

CPC:

Keys; Accessories therefor ( making keys, see the relevant places, e.g. B21D53/42; milling grooves in keys B23C3/35) > Double keys

No child classifications to compare. This is a leaf node in both IPC and CPC.