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发明名称
AUTOMATIC PIANO
摘要
申请公布号
JPH03229299(A)
申请公布日期
1991.10.11
申请号
JP19900023910
申请日期
1990.02.02
申请人
YAMAHA CORP
发明人
YAMAMOTO JUN
分类号
G10F1/02
主分类号
G10F1/02
代理机构
代理人
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