Обратный клапан с приспособлением для слива воды из напорного трубопровода водоотливной насосной установки,申请号SU19590640996-传众专利搜索

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发明名称	Обратный клапан с приспособлением для слива воды из напорного трубопровода водоотливной насосной установки
摘要
申请公布号	SU129489(A1)	申请公布日期	1959.11.30
申请号	SU19590640996	申请日期	1959.10.12
申请人	OSIPOV A.I.	发明人	OSIPOV A.I.
分类号	F04D29/66	主分类号	F04D29/66
代理机构		代理人
主权项
地址

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