Учебное наглядное пособие по механике,申请号SU19610750183-传众专利搜索

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发明名称	Учебное наглядное пособие по механике
摘要
申请公布号	SU149634(A1)	申请公布日期	1961.11.30
申请号	SU19610750183	申请日期	1961.10.28
申请人		发明人	KOZLOVICH E.I.
分类号	G09B23/06	主分类号	G09B23/06
代理机构		代理人
主权项
地址

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