RAISER SYSTEM FOR OIL WELL IN WATER,申请号JP19770094899-传众专利搜索

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发明名称	RAISER SYSTEM FOR OIL WELL IN WATER
摘要
申请公布号	JPS5428701(A)	申请公布日期	1979.03.03
申请号	JP19770094899	申请日期	1977.08.08
申请人	ARMCO STEEL CORP	发明人	KUROODO RATSUSERU NEIRON
分类号	E21B7/132;E21B7/12;E21B17/00;E21B17/01;E21B17/18;E21B33/047;E21B43/01	主分类号	E21B7/132
代理机构		代理人
主权项
地址

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