FOLDING HYPERBOLOGRAPH, PARABOLOGRAPH AND ELLIPSOGRAPH,申请号CS19780007556-传众专利搜索

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发明名称	FOLDING HYPERBOLOGRAPH, PARABOLOGRAPH AND ELLIPSOGRAPH
摘要
申请公布号	CS237556(B1)	申请公布日期	1985.09.17
申请号	CS19780007556	申请日期	1978.11.20
申请人	PETR,VACLAV,CS	发明人	PETR,VACLAV,CS
分类号	B43L11/02;(IPC1-7):B43L11/02	主分类号	B43L11/02
代理机构		代理人
主权项
地址

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