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发明名称
Safety switch
摘要
申请公布号
US1924691(A)
申请公布日期
1933.08.29
申请号
US19310506052
申请日期
1931.01.02
申请人
RALCO MANUFACTURING COMPANY
发明人
LOFGREN JOHN
分类号
H01H9/04
主分类号
H01H9/04
代理机构
代理人
主权项
地址
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