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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1/00
Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
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E05B1/0069
Sanitary doorknobs or handles, e.g. comprising a disinfectant
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