发明授权
US4598893A Locking device 失效
锁定设备

Locking device
摘要:
A retaining device for hand-held fire extinguishers is provided with retaining means (12) co-operable with linking means (18), in the form of a dislodgable or frangible panel, and locking means (28). In normal use, article (10) is removed by unlocking the means (28). In emergency, the article is accessed via (18).
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