ΑΡΙΘΜΗΤΗΡΙΟΝ ΠΡΟΣ ΧΡΗΣΙΝ ΤΩΝ ΜΑΘΗΤΩΝ ΤΩΝ ΔΗΜΟΤΙΚΩΝ ΣΧΟΛΕΙΩΝ.,申请号GR19310103164-传众专利搜索

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发明名称	ΑΡΙΘΜΗΤΗΡΙΟΝ ΠΡΟΣ ΧΡΗΣΙΝ ΤΩΝ ΜΑΘΗΤΩΝ ΤΩΝ ΔΗΜΟΤΙΚΩΝ ΣΧΟΛΕΙΩΝ.
摘要
申请公布号	GR3164(B)	申请公布日期	1931.04.16
申请号	GR19310103164	申请日期	1931.04.08
申请人	SOULIOTIS CHRISTOS	发明人	SOULIOTIS CHRISTOS
分类号		主分类号
代理机构		代理人
主权项
地址

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