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发明名称
Combination locked switch
摘要
申请公布号
US1774098(A)
申请公布日期
1930.08.26
申请号
US19250055750
申请日期
1925.09.11
申请人
JOHNSON EMIL E
发明人
JOHNSON EMIL E.
分类号
H01H27/10
主分类号
H01H27/10
代理机构
代理人
主权项
地址
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