Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E05
LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
Load children
E05B
LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
Load children
63/00
Locks; or fastenings; with special structural characteristics
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E05B63/06
with lengthwise-adjustable bolts; ; with adjustable backset, i.e. distance from door edge
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