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发明名称
Permutation padlock
摘要
申请公布号
US2157555(A)
申请公布日期
1939.05.09
申请号
US19370165790
申请日期
1937.09.27
申请人
MCINTURFF HARRY L
发明人
MCINTURFF HARRY L.
分类号
E05B37/02
主分类号
E05B37/02
代理机构
代理人
主权项
地址
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