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发明名称
Anordnung zur telegrafischen Mehrfachausnutzung einer Leitung
摘要
申请公布号
DE757393(C)
申请公布日期
1954.06.14
申请号
DE1939I065574D
申请日期
1939.09.07
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
LARCHMONT EDWARD FISK WATSON
分类号
H04J3/16;H04L5/22
主分类号
H04J3/16
代理机构
代理人
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地址
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