WRITING AND DRAWING BOARDS,申请号GB19890015538-传众专利搜索

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发明名称	WRITING AND DRAWING BOARDS
摘要
申请公布号	GB8915538(D0)	申请公布日期	1989.08.23
申请号	GB19890015538	申请日期	1989.07.06
申请人	YEATES, RAYMOND A;CARTER, THOMAS H	发明人
分类号	B43L3/00	主分类号	B43L3/00
代理机构		代理人
主权项
地址

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