GRINDING APPARATUS FOR PIANO KEY-BOARD,申请号KR19880007373U-传众专利搜索

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发明名称	GRINDING APPARATUS FOR PIANO KEY-BOARD
摘要
申请公布号	KR900006624(Y1)	申请公布日期	1990.07.26
申请号	KR19880007373U	申请日期	1988.05.18
申请人	YUN GAB-SUN	发明人	YUN GAB-SUN
分类号	B24B19/00;(IPC1-7):B24B19/00	主分类号	B24B19/00
代理机构		代理人
主权项
地址

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