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经营范围
发明名称
Permutation lock
摘要
申请公布号
US2144047(A)
申请公布日期
1939.01.17
申请号
US19370169932
申请日期
1937.10.20
申请人
BEMIS & CALL COMPANY
发明人
EDEN JAMES A.
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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