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经营范围
发明名称
Hochtonlautsprecher mit Konusmembran
摘要
申请公布号
DE1061826(B)
申请公布日期
1959.07.23
申请号
DE1952T006944
申请日期
1952.11.06
申请人
TELEFUNKEN G.M.B.H.
发明人
SAWADE DR. SIEGFRIED
分类号
H04R9/06
主分类号
H04R9/06
代理机构
代理人
主权项
地址
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