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发明名称
Système de commutation automatique comportant des circuits à impulsions
摘要
申请公布号
FR988325(A)
申请公布日期
1951.08.27
申请号
FRD988325
申请日期
1949.06.15
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
DEAKIN GERALD
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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