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经营范围
发明名称
Elektromagnetisches Lautsprechersystem
摘要
申请公布号
DE581870(C)
申请公布日期
1933.08.04
申请号
DE1927R071902D
申请日期
1927.07.31
申请人
RADIOAKTIENGESELLSCHAFT D. S. LOEWE;DIPL.-ING. WALTER KUNZE
发明人
分类号
H04R11/00
主分类号
H04R11/00
代理机构
代理人
主权项
地址
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