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发明名称
Schaltungsanordnung zur UEbertragung von durch eine AEnderung des Ruhestromes gekennzeichneten Meldungen ueber Sternleitungen
摘要
申请公布号
DE1121982(B)
申请公布日期
1962.01.11
申请号
DE1960T019081
申请日期
1960.10.05
申请人
TELEFONBAU UND NORMALZEIT G.M.B.H.
发明人
DARDAT WERNER
分类号
H02H3/04
主分类号
H02H3/04
代理机构
代理人
主权项
地址
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