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发明名称
Tragbares Musikinstrument mit Klaviatur
摘要
申请公布号
DE919749(C)
申请公布日期
1954.11.02
申请号
DE1950S018048
申请日期
1950.07.30
申请人
RENE SEYBOLD
发明人
SEYBOLD RENE
分类号
G10C3/12;G10H1/32
主分类号
G10C3/12
代理机构
代理人
主权项
地址
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