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发明名称
Magnetsystem fuer fremderregte elektrodynamische Lautsprecher
摘要
申请公布号
DE717821(C)
申请公布日期
1942.02.23
申请号
DE1940T053943D
申请日期
1940.06.30
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
STRUEBING CARL
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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