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发明名称
Système de transmission électrique bilatérale
摘要
申请公布号
FR1017836(A)
申请公布日期
1952.12.19
申请号
FRD1017836
申请日期
1950.03.28
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
H03F3/62;H04B3/36;H04J1/10
主分类号
H03F3/62
代理机构
代理人
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地址
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