ARITHMOMETER FOR PRIMARY SCHOOL MATHS,申请号GR19870101324-传众专利搜索

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发明名称	ARITHMOMETER FOR PRIMARY SCHOOL MATHS
摘要
申请公布号	GR871324(B)	申请公布日期	1987.09.03
申请号	GR19870101324	申请日期	1987.08.26
申请人	PAPAIOANNOU PANAGIOTIS	发明人	PAPAIOANNOU PANAGIOTIS
分类号		主分类号
代理机构		代理人
主权项
地址

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