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发明名称
Système de communication bidirectionnel
摘要
申请公布号
FR70408(E)
申请公布日期
1959.05.06
申请号
FRD70408
申请日期
1955.06.01
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HEINECKE ERICH
分类号
H03F1/50
主分类号
H03F1/50
代理机构
代理人
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地址
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