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发明名称
Perfectionnements aux systèmes de communication par impulsions électriques et à plusieurs voies
摘要
申请公布号
FR69302(E)
申请公布日期
1958.10.23
申请号
FRD69302
申请日期
1956.02.24
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HOFFMAN ROSS BARNUM;AHLSTEDT THURE EDWARD
分类号
H04J3/00;H04J3/06
主分类号
H04J3/00
代理机构
代理人
主权项
地址
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