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经营范围
发明名称
Electrical permutation lock
摘要
申请公布号
US2677814(A)
申请公布日期
1954.05.04
申请号
US19500183167
申请日期
1950.09.05
申请人
MILLER HARRY C
发明人
MILLER HARRY C.
分类号
G07C9/00
主分类号
G07C9/00
代理机构
代理人
主权项
地址
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