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发明名称
Lock
摘要
申请公布号
US2195620(A)
申请公布日期
1940.04.02
申请号
US19380202477
申请日期
1938.04.16
申请人
THE YOUNGSTOWN STEEL DOOR COMPANY
发明人
DITCHFIELD FRANK
分类号
E05B65/14
主分类号
E05B65/14
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