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发明名称
Anordnung fuer Fernmeldeanlagen zur wahlweisen Beeinflussung von an einer gemeinsamen Leitung liegenden Abzweigstellen
摘要
申请公布号
DE720351(C)
申请公布日期
1942.05.01
申请号
DE1938S133625D
申请日期
1938.08.27
申请人
SIEMENS & HALSKE AG.
发明人
NEBELUNG DIPL.-ING. RUDOLF;FRANZEN DIPL.-ING. JOHANN FRIEDRICH
分类号
H04L15/26
主分类号
H04L15/26
代理机构
代理人
主权项
地址
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