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经营范围
发明名称
Electric switch
摘要
申请公布号
US2229592(A)
申请公布日期
1941.01.21
申请号
US19380212554
申请日期
1938.06.08
申请人
ALBERT ROSENFELD
发明人
ROSENFELD ALBERT
分类号
H01H3/16
主分类号
H01H3/16
代理机构
代理人
主权项
地址
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