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发明名称
Système de télégraphe électrique
摘要
申请公布号
FR71356(E)
申请公布日期
1959.12.22
申请号
FRD71356
申请日期
1956.10.03
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HEATON-ARMSTRONG LOUIS JOHN
分类号
H03M13/51;H04L1/00;H04L5/06;H04L25/04
主分类号
H03M13/51
代理机构
代理人
主权项
地址
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