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发明名称
Perfectionnements aux équipements pour l'enregistrement de renseignements dans des connexions de télécommunication
摘要
申请公布号
FR981637(A)
申请公布日期
1951.05.29
申请号
FRD981637
申请日期
1949.01.05
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
WRIGHT EDMOND PHILIP GOODWIN;RONAYNE JAMES BENEDICT;GORDON KENNETH SUNDERLAND
分类号
H04M15/38
主分类号
H04M15/38
代理机构
代理人
主权项
地址
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