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发明名称
Combination lock
摘要
申请公布号
US2168621(A)
申请公布日期
1939.08.08
申请号
US19380211200
申请日期
1938.06.01
申请人
NATIONAL LOCK CO.
发明人
LANE JOSEPH H.;NORTH EDWIN W.
分类号
E05B37/00
主分类号
E05B37/00
代理机构
代理人
主权项
地址
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