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发明名称
Système de contrôle de volume pour systèmes de modulation par impulsions codées
摘要
申请公布号
FR988764(A)
申请公布日期
1951.08.31
申请号
FRD988764
申请日期
1949.06.17
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
AIGRAIN PIERRE RAOUL
分类号
H04B14/04
主分类号
H04B14/04
代理机构
代理人
主权项
地址
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