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发明名称
Permutation lock
摘要
申请公布号
US2183792(A)
申请公布日期
1939.12.19
申请号
US19370168878
申请日期
1937.10.14
申请人
BEMIS & CALL COMPANY
发明人
EDEN JAMES A.;CHASE PORTER
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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