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发明名称
Apparatus for the production of music
摘要
申请公布号
US2168623(A)
申请公布日期
1939.08.08
申请号
US19370139493
申请日期
1937.04.28
申请人
MIESSNER INVENTIONS, INC.
发明人
MIESSNER BENJAMIN F.
分类号
G10H3/12
主分类号
G10H3/12
代理机构
代理人
主权项
地址
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