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发明名称
Schaltungsanordnung zur Eingliederung von Vierdrahtleitungen in den Selbstwaehlverkehr
摘要
申请公布号
DE867254(C)
申请公布日期
1953.02.16
申请号
DE1948P014347
申请日期
1948.10.02
申请人
WINZHEIMER RUDOLF;HEBEL MARTIN DR.-ING.
发明人
WINZHEIMER RUDOLF;HEBEL MARTIN DR.-ING.
分类号
H04M3/40
主分类号
H04M3/40
代理机构
代理人
主权项
地址
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