ΑΡΙΘΜΗΤΗΡΙΟΝ ΔΙΑ ΤΟΥΣ ΜΑΘΗΤΑΣ ΤΩΝ ΚΑΤΩΤΑΤΩΝ ΤΑΞΕΩΝ ΤΟΥ ΔΗΜΟΤΙΚΟΥ ΣΧΟΛΕΙΟΥ ΚΑΙ ΝΗΠΑΙΓΩΓΕΙΟΥ.,申请号GR19520113737-传众专利搜索

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发明名称	ΑΡΙΘΜΗΤΗΡΙΟΝ ΔΙΑ ΤΟΥΣ ΜΑΘΗΤΑΣ ΤΩΝ ΚΑΤΩΤΑΤΩΝ ΤΑΞΕΩΝ ΤΟΥ ΔΗΜΟΤΙΚΟΥ ΣΧΟΛΕΙΟΥ ΚΑΙ ΝΗΠΑΙΓΩΓΕΙΟΥ.
摘要
申请公布号	GR13737(B)	申请公布日期	1952.07.24
申请号	GR19520113737	申请日期	1952.07.17
申请人	PAPAVASILEIOU THEODOROS	发明人	PAPAVASILEIOU THEODOROS
分类号		主分类号
代理机构		代理人
主权项
地址

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