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发明名称
KEY MECHANISM FOR MUSICAL WIND INSTRUMENT
摘要
申请公布号
GB2015229(A)
申请公布日期
1979.09.05
申请号
GB19790006257
申请日期
1979.02.22
申请人
NIPPON GAKKI SEIZO KK
发明人
分类号
G10D7/08;G10D9/00;G10D9/04;(IPC1-7):G10D9/04
主分类号
G10D7/08
代理机构
代理人
主权项
地址
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