Поплавок для определения средней скорости течения реки,申请号SU19310089949-传众专利搜索

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发明名称	Поплавок для определения средней скорости течения реки
摘要
申请公布号	SU25286(A1)	申请公布日期	1932.02.29
申请号	SU19310089949	申请日期	1931.06.11
申请人	KUPTSOV Z.G.	发明人	KUPTSOV Z.G.
分类号	G01P11/00;G01P5/00	主分类号	G01P11/00
代理机构		代理人
主权项
地址

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