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Privacy lock
摘要
申请公布号
US2738665(A)
申请公布日期
1956.03.20
申请号
US19520303092
申请日期
1952.08.07
申请人
NATIONAL LOCK COMPANY
发明人
NORTH EDWIN W.;WILSON WILLIAM B.
分类号
E05B15/00;E05C1/16
主分类号
E05B15/00
代理机构
代理人
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