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发明名称
Schaltungseinrichtung zur Verhinderung schaedlicher Einfluesse durch Leitungsrueckentladungen
摘要
申请公布号
DE744833(C)
申请公布日期
1944.01.26
申请号
DE1941T056130D
申请日期
1941.09.02
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
WIRTH ALEXANDER
分类号
H04L25/06
主分类号
H04L25/06
代理机构
代理人
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