Theft-proof lock with defensive lock pin

A theftproof lock with defensive lock core includes a lockset body, a locking tongue, a connecting rod, a lock casing and a lock core, a defensive lock core is provided on the front end of the original main lock core, the front and the back of the two lock cores close to and independent with each ot...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MINGHONG LEI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR FIXED CONSTRUCTIONS HANDCUFFS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS
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