发明授权
US5020259A Firearm lock 失效
枪支锁

Firearm lock
摘要:
A firearm lock resembling a high security padlock of conventional type secured to an associated firearm to disable the firearm. The key for releasing the locking mechanism to enable the lock to be removed from the firearm comprises a live round of ammunition for the firearm which may be discharged in the firearm after the lock has been removed.
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