RULER FOR QUADRATIC CURVE SUCH AS PARABOLA, HYPERBOLA OR ELLIPSE,申请号JP19890122565-传众专利搜索

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发明名称	RULER FOR QUADRATIC CURVE SUCH AS PARABOLA, HYPERBOLA OR ELLIPSE
摘要
申请公布号	JPH0327991(A)	申请公布日期	1991.02.06
申请号	JP19890122565	申请日期	1989.05.16
申请人	OGATA SHOZO	发明人	OGATA SHOZO
分类号	B43L11/00;B43L11/04	主分类号	B43L11/00
代理机构		代理人
主权项
地址

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