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发明名称
摘要
申请公布号
JPH0572594(B2)
申请公布日期
1993.10.12
申请号
JP19830147392
申请日期
1983.08.12
申请人
YAMAHA CORP
发明人
YAMAMOTO JUN;MURAMATSU SHIGERU
分类号
G10F1/02;G10H1/00
主分类号
G10F1/02
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