Учебный прибор по физике,申请号SU19610736343-传众专利搜索

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发明名称	Учебный прибор по физике
摘要
申请公布号	SU144644(A1)	申请公布日期	1961.11.30
申请号	SU19610736343	申请日期	1961.06.29
申请人		发明人	RACHEK I.M.
分类号	G09B23/20	主分类号	G09B23/20
代理机构		代理人
主权项
地址

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