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发明名称
Schaltungsanordnung fuer Fernmeldeanlagen, bei denen die Stromstoss-uebertragung ueber die zweiadrige Verbindungsleitung in Simultan-schaltung erfolgt, insbesondere fuer Fernsprechanlagen
摘要
申请公布号
DE932913(C)
申请公布日期
1955.09.12
申请号
DE1940T001132D
申请日期
1940.08.25
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
HEIBEL AUGUST
分类号
H04M7/10;H04Q1/32
主分类号
H04M7/10
代理机构
代理人
主权项
地址
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