Учебное наглядное пособие по математике,申请号SU19500412738-传众专利搜索

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法人/股东/高管

发明名称	Учебное наглядное пособие по математике
摘要
申请公布号	SU88175(A1)	申请公布日期	1950.11.30
申请号	SU19500412738	申请日期	1950.02.14
申请人	SABLUKOV F.S.	发明人	SABLUKOV F.S.
分类号	G09B23/02	主分类号	G09B23/02
代理机构		代理人
主权项
地址

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