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经营范围
发明名称
SCHUTZHUELLE FUER MIKROPHONE.
摘要
申请公布号
DE1619955(U)
申请公布日期
1951.02.15
申请号
DE195000T1051U
申请日期
1950.12.30
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
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主分类号
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