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发明名称
Versteifte Lautsprechermembran
摘要
申请公布号
DE713905(C)
申请公布日期
1941.11.18
申请号
DE1939T052343D
申请日期
1939.06.04
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
SCHULZE WILLI
分类号
H04R7/14
主分类号
H04R7/14
代理机构
代理人
主权项
地址
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