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发明名称
rtons bei Instrumenten mit mechanisch-elektrischer Tonerzeugung
摘要
申请公布号
DE698950(C)
申请公布日期
1940.11.20
申请号
DE1935V032252D
申请日期
1935.11.01
申请人
DR. PHIL. HABIL. OSKAR VIERLING
发明人
分类号
G10H3/18
主分类号
G10H3/18
代理机构
代理人
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