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发明名称
Lautsprecheranordnung mit mehreren, zur Erzielung einer Richtwirkung nach Art der geraden Strahlergruppe in einer Reihe angeordneten Einzellautsprechern
摘要
申请公布号
DE928351(C)
申请公布日期
1955.05.31
申请号
DE1949P044943
申请日期
1949.06.05
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
SPANDOECK FRIEDRICH DR.-ING.
分类号
H04R1/40
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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