Задвижной затор для гидротехнических сооружений,申请号SU19350160804-传众专利搜索

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发明名称	Задвижной затор для гидротехнических сооружений
摘要
申请公布号	SU44184(A1)	申请公布日期	1935.08.31
申请号	SU19350160804	申请日期	1935.01.14
申请人	SVESHNIKOV M.M.	发明人	SVESHNIKOV M.M.
分类号	E02B7/26;E02B7/28	主分类号	E02B7/26
代理机构		代理人
主权项
地址

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