Прибор для определения коэффициента трения льда беговых дорожек,申请号SU19490405567-传众专利搜索

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发明名称	Прибор для определения коэффициента трения льда беговых дорожек
摘要
申请公布号	SU86870(A1)	申请公布日期	1949.11.30
申请号	SU19490405567	申请日期	1949.10.10
申请人	SEMENOV E.S.	发明人	SEMENOV E.S.
分类号	G01N19/02	主分类号	G01N19/02
代理机构		代理人
主权项
地址

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