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经营范围
发明名称
Portable piano-type instrument incorporating a sustaining pedal
摘要
申请公布号
US3285116(A)
申请公布日期
1966.11.15
申请号
US19640375230
申请日期
1964.06.15
申请人
COLUMBIA BROADCASTING SYSTEM, INC.
发明人
RHODES HAROLD B.
分类号
G10H1/32
主分类号
G10H1/32
代理机构
代理人
主权项
地址
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