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发明名称
Schaltungsanordnung zur Auswertung von Hoerzeichenfrequenzen, die von Stoerfrequenzen ueberlagert sind, in Fernmelde-, insbesondere Fernsprechanlagen
摘要
申请公布号
DE1169532(B)
申请公布日期
1964.05.06
申请号
DE1962S082051
申请日期
1962.10.16
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
DIERCK WULF;FILKORN DIPL.-ING. ANDREAS;SCHOENBERGER DIPL.-ING. KARL-WILH.
分类号
H04M3/24
主分类号
H04M3/24
代理机构
代理人
主权项
地址
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