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发明名称
Electrical coupling system
摘要
申请公布号
US1801352(A)
申请公布日期
1931.04.21
申请号
US19260096690
申请日期
1926.03.23
申请人
FEDERAL TELEGRAPH COMPANY
发明人
KOLSTER FREDERICK A.
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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