Patent classifications
E
FIXED CONSTRUCTIONS
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E05
LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
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E05B
LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
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27/00
Cylinder locks; or other locks; with tumbler pins or balls that are set by pushing the key in
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E05B27/0042
with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
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