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发明名称
Einrichtung zur Klangverbesserung an Musikinstrumenten mit Resonanzboden zur Tonwiedergabe
摘要
申请公布号
DE613493(C)
申请公布日期
1935.05.20
申请号
DE1932V027822D
申请日期
1932.02.20
申请人
OSKAR VIERLING;OSKAR VIERLING
发明人
分类号
G10H3/14
主分类号
G10H3/14
代理机构
代理人
主权项
地址
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