DAMPER FOR GRAND PIANO,申请号JP19900264502-传众专利搜索

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发明名称	DAMPER FOR GRAND PIANO
摘要
申请公布号	JPH0473688(A)	申请公布日期	1992.03.09
申请号	JP19900264502	申请日期	1990.10.02
申请人	YAMAHA CORP	发明人	SUGIYAMA NOBUO;ITO KATSUO;KANEKO YASUTOSHI
分类号	G10C3/22;G10C3/26	主分类号	G10C3/22
代理机构		代理人
主权项
地址

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