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经营范围
发明名称
Electrical musical instrument
摘要
申请公布号
US2239985(A)
申请公布日期
1941.04.29
申请号
US19380224518
申请日期
1938.08.12
申请人
HUGO BENIOFF
发明人
BENIOFF HUGO
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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