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发明名称
Anlage zur UEbertragung akustischer Darbietungen durch Lautsprecher
摘要
申请公布号
DE739324(C)
申请公布日期
1943.09.20
申请号
DE1938S133185D
申请日期
1938.07.29
申请人
SUEDDEUTSCHE TELEFON-APPARATE-, KABEL- UND DRAHTWERKE A.G. TEKADE
发明人
MADER DR.-ING. WILHELM
分类号
H04H20/62;H04H20/63
主分类号
H04H20/62
代理机构
代理人
主权项
地址
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