DOWNHOLE ULTRASONIC WELL CLEANING DEVICE,申请号CA20052566653-传众专利搜索

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发明名称	DOWNHOLE ULTRASONIC WELL CLEANING DEVICE
摘要
申请公布号	CA2566653(A1)	申请公布日期	2005.12.22
申请号	CA20052566653	申请日期	2005.06.03
申请人	SHELL CANADA LIMITED	发明人	MORGENTHALER, LEE NICKY
分类号	B30B3/04;B08B3/12;B08B7/02;B08B9/04;E21B28/00;E21B37/00;E21B41/00;F16C13/02;F16C23/08	主分类号	B30B3/04
代理机构		代理人
主权项
地址

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