Adjustable ellipse drawing aid,申请号GB19970020952-传众专利搜索

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发明名称	Adjustable ellipse drawing aid
摘要
申请公布号	GB9720952(D0)	申请公布日期	1997.12.03
申请号	GB19970020952	申请日期	1997.10.13
申请人	FERNANDEZ, DANIEL	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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