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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E05B2045/065
Switch or sensor type used in alarm locks
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E05B2045/0665
Magnetic switches, e.g. reed- or hall-switch
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