An apparatus for the removal of sand in an underwater well and use of a jet pump (ejector) in connection with such sand removal,申请号AU19990014467-传众专利搜索

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发明名称	An apparatus for the removal of sand in an underwater well and use of a jet pump (ejector) in connection with such sand removal
摘要
申请公布号	AU727949(B2)	申请公布日期	2001.01.04
申请号	AU19990014467	申请日期	1998.10.14
申请人	TESTTECH SERVICES A/S	发明人	TOM UNSGAARD
分类号	E21B23/04;E21B37/08;(IPC1-7):E21B37/00;E21B27/00	主分类号	E21B23/04
代理机构		代理人
主权项
地址

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