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经营范围
发明名称
Electrical switch
摘要
申请公布号
US2116215(A)
申请公布日期
1938.05.03
申请号
US19370155324
申请日期
1937.07.23
申请人
SAMUEL RUBEN
发明人
RUBEN SAMUEL
分类号
H01H1/08
主分类号
H01H1/08
代理机构
代理人
主权项
地址
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