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发明名称
SHUTTER MOUNTING JIG FOR KEY SENSOR OF AUTOMATIC PIANO AND METHOD FOR USING THIS JIG
摘要
申请公布号
JPH03161795(A)
申请公布日期
1991.07.11
申请号
JP19890302975
申请日期
1989.11.20
申请人
YAMAHA CORP
发明人
UMEDA YOSHIHIRO;NISHIMURA SEIYA;MAEJIMA YOSHIHISA
分类号
G10F1/02
主分类号
G10F1/02
代理机构
代理人
主权项
地址
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