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发明名称
Symmetrische Schaltungsanordnung fuer Wechsel- und Gegensprech-Lautsprecheranlagen
摘要
申请公布号
DE1537005(A1)
申请公布日期
1969.07.17
申请号
DE19671537005
申请日期
1967.04.27
申请人
VEB FUNKWERK KOELLEDA
发明人
BECKER,SIEGFRIED
分类号
H04M9/00
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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