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经营范围
发明名称
Electric switch
摘要
申请公布号
US2255886(A)
申请公布日期
1941.09.16
申请号
US19380245011
申请日期
1938.12.10
申请人
SQUARE D COMPANY
发明人
HUDSON WILLIAM JOHN
分类号
H01H9/44
主分类号
H01H9/44
代理机构
代理人
主权项
地址
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