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经营范围
发明名称
Swivel connection for electric cords
摘要
申请公布号
US1977757(A)
申请公布日期
1934.10.23
申请号
US19310523588
申请日期
1931.03.18
申请人
ELSAS EDWARD J
发明人
ELSAS EDWARD J.
分类号
H01R39/64
主分类号
H01R39/64
代理机构
代理人
主权项
地址
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