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发明名称
ANZEIGEVORRICHTUNG FUER DIE REGELSTELLUNG VON TONREGLERN VON RUNDFUNKGERAETEN U. DGL.
摘要
申请公布号
DE1687413(U)
申请公布日期
1954.11.18
申请号
DE1954K016078U
申请日期
1954.06.08
申请人
W. KREFFT A.G.
发明人
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主分类号
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