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发明名称
STRUCTURE OF ROTARY VALVE FOR WIND INSTRUMENT
摘要
申请公布号
JPH01280798(A)
申请公布日期
1989.11.10
申请号
JP19880110864
申请日期
1988.05.06
申请人
YAMAHA CORP
发明人
KAWASAKI KENZO;HAMANAGA SHINJI
分类号
G10D9/04;(IPC1-7):G10D9/04
主分类号
G10D9/04
代理机构
代理人
主权项
地址
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