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经营范围
发明名称
Automatic bolt mechanism
摘要
An automatic latch bolt mechanism for a door. A spring loaded rod structure stores energy upon closing the door and the mechanism automatically draws the bolt upon being triggered by a simple act such as pushing a button.
申请公布号
US4157197(A)
申请公布日期
1979.06.05
申请号
US19770781950
申请日期
1977.03.28
申请人
WILSON, TIMOTHY F
发明人
WILSON, TIMOTHY F
分类号
E05C1/08;(IPC1-7):E05C1/08
主分类号
E05C1/08
代理机构
代理人
主权项
地址
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