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经营范围
发明名称
Statischer Hochtonlautsprecher
摘要
申请公布号
DE944734(C)
申请公布日期
1956.06.21
申请号
DE1952K014725
申请日期
1952.07.05
申请人
KOERTING RADIO WERKE G.M.B.H.
发明人
PATLOKA FRIEDRICH;STIERHOF DR. JOHANN
分类号
H04R19/02
主分类号
H04R19/02
代理机构
代理人
主权项
地址
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