DIFF Subgroup
E05B 37/20 Puzzle locks
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Permutation locks; Puzzle locks > Puzzle locks
CPC:
Permutation locks ( electric permutation locks E05B49/00); Puzzle locks > Puzzle locks
Of 1 combined children, 0 exist in both systems.
1 codes exist only in IPC.
Child Classifications
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