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经营范围
发明名称
Electrical jack
摘要
申请公布号
US2704357(A)
申请公布日期
1955.03.15
申请号
US19520320471
申请日期
1952.11.14
申请人
E. F. JOHNSON COMPANY
发明人
JOHNSON EDGAR F.
分类号
H01R4/30;H01R13/40;H01R13/41;H01R13/42;H01R13/533;H01R13/74
主分类号
H01R4/30
代理机构
代理人
主权项
地址
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