HAMMER RAIL FOR PIANO,申请号JP19770025914-传众专利搜索

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发明名称	HAMMER RAIL FOR PIANO
摘要
申请公布号	JPS53111713(A)	申请公布日期	1978.09.29
申请号	JP19770025914	申请日期	1977.03.11
申请人	NIPPON MUSICAL INSTRUMENTS MFG	发明人	HAYASHIDA HAJIME
分类号	G10C3/18	主分类号	G10C3/18
代理机构		代理人
主权项
地址

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