(A1 B1) ;STRAIGHT LINE MEASURING SCALE FOR GRAPHIC TRISECTION OF ANY ANGLE BY MEANS OF NONELEMENTARY EXACT METHOD,申请号HR19940000966-传众专利搜索

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发明名称	(A1 B1) ;STRAIGHT LINE MEASURING SCALE FOR GRAPHIC TRISECTION OF ANY ANGLE BY MEANS OF NONELEMENTARY EXACT METHOD
摘要
申请公布号	HR940966(A1)	申请公布日期	1997.06.30
申请号	HR19940000966	申请日期	1994.11.30
申请人		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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