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发明名称
Schaltungsanordnung fuer Fernsprechasnlagen mit mehreren Vermittlungsstellen, welchedurch induktiv gekoppelte Verbindungsleitungen miteinander verbunden sind
摘要
申请公布号
DE902984(C)
申请公布日期
1954.02.01
申请号
DE1939T001013D
申请日期
1939.03.29
申请人
TELEFONBAU UND NORMALZEIT G.M.B.H.
发明人
WIRTH ALEXANDER;BECKER ROLAND
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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