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发明名称
Vorrichtung zum Halten von Mikrotelefonen am Koerper des Benutzers in der Sprechlage
摘要
申请公布号
DE533264(C)
申请公布日期
1932.03.31
申请号
DED533264D
申请日期
1930.04.02
申请人
DR. HANNS WESKI
发明人
分类号
H04M1/05
主分类号
H04M1/05
代理机构
代理人
主权项
地址
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