ADJUSTABLE MANDREL WELL CASING HANGER,申请号GB19920011001-传众专利搜索

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发明名称	ADJUSTABLE MANDREL WELL CASING HANGER
摘要
申请公布号	GB2256215(A)	申请公布日期	1992.12.02
申请号	GB19920011001	申请日期	1992.05.22
申请人	* FMC CORPORATION	发明人	ROY E * SINGER;RICHARD C * LALOR;KENNETH G * ROUNTREE;MARCUS A * SMEDLEY;JOHN H * MILLER
分类号	E21B33/038;E21B33/043	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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