Gas lift manifold,申请号US19300480327-传众专利搜索

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发明名称	Gas lift manifold
摘要
申请公布号	US1852716(A)	申请公布日期	1932.04.05
申请号	US19300480327	申请日期	1930.09.08
申请人	UNION OIL COMPANY	发明人	GRINNELL SAMUEL H.
分类号	E21B33/068	主分类号	E21B33/068
代理机构		代理人
主权项
地址

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