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发明名称
Schaltungsanordnung fuer Fernmeldeanlagen, bei der ausserhalb eines Nutzfrequenzbandes eine Einzelfrequenz uebertragen wird
摘要
申请公布号
DE950921(C)
申请公布日期
1956.10.18
申请号
DE1954F015106
申请日期
1954.07.03
申请人
FELTEN & GUILLEAUME FERNMELDEANLAGEN G.M.B.H.
发明人
KOSKA SIEGFRIED
分类号
H04J1/14
主分类号
H04J1/14
代理机构
代理人
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