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发明名称
Saiteninstrument mit Relaissteuerung, insbesondere Relaisklavier
摘要
申请公布号
DE530257(C)
申请公布日期
1931.07.25
申请号
DED530257D
申请日期
申请人
HANS DRIESCHER
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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