INTERIOR STRUCTURE FOR UP-RIGHT PIANO,申请号KR19740005458U-传众专利搜索

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发明名称	INTERIOR STRUCTURE FOR UP-RIGHT PIANO
摘要
申请公布号	KR790000310(Y1)	申请公布日期	1979.03.21
申请号	KR19740005458U	申请日期	1974.10.21
申请人	HWANG N K	发明人	HWANG N K
分类号		主分类号
代理机构		代理人
主权项
地址

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