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经营范围
发明名称
Elektrisches Musikinstrument
摘要
申请公布号
DE672332(C)
申请公布日期
1939.02.28
申请号
DE1932V028647D
申请日期
1932.09.18
申请人
DR. OSKAR VIERLING
发明人
分类号
G10H3/18
主分类号
G10H3/18
代理机构
代理人
主权项
地址
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