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发明名称
i elektrischer Tonerzeugung
摘要
申请公布号
DE702151(C)
申请公布日期
1941.01.31
申请号
DE193300T2700D
申请日期
1933.01.01
申请人
DR.-ING. FRIEDRICH TRAUTWEIN
发明人
分类号
G10H5/02
主分类号
G10H5/02
代理机构
代理人
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