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发明名称
Anordnung zur zentralen breitbandigen Schallversorgung eines Luftraumes
摘要
申请公布号
DE939511(C)
申请公布日期
1956.02.23
申请号
DE1949P053182
申请日期
1949.08.28
申请人
TELEFUNKEN G.M.B.H.
发明人
SAWADE SIEGFRIED DR.
分类号
H04R1/34;H04R1/40;H04R3/04;H04R27/00;H04R27/02
主分类号
H04R1/34
代理机构
代理人
主权项
地址
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