Retrievable pre-milled window with deflector,申请号GB20030030240-传众专利搜索

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发明名称	Retrievable pre-milled window with deflector
摘要
申请公布号	GB0330240(D0)	申请公布日期	2004.02.04
申请号	GB20030030240	申请日期	2003.12.31
申请人	WEATHERFORD/LAMB INC.	发明人
分类号	E21B7/06;E21B7/08;E21B41/00	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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