DRILL BIT FLUID SCREEN,申请号AU19810075164-传众专利搜索

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发明名称	DRILL BIT FLUID SCREEN
摘要
申请公布号	AU7516481(A)	申请公布日期	1982.03.18
申请号	AU19810075164	申请日期	1981.09.11
申请人	CHRISTENSEN, INC.	发明人	COY M. FIELDER
分类号	B01D29/44;E21B10/60;E21B21/00;E21B27/00	主分类号	B01D29/44
代理机构		代理人
主权项
地址

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