DOWNHOLE GAS ANCHOR DEVICE,申请号GB19860027546-传众专利搜索

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发明名称	DOWNHOLE GAS ANCHOR DEVICE
摘要
申请公布号	GB2183171(A)	申请公布日期	1987.06.03
申请号	GB19860027546	申请日期	1986.11.18
申请人	* CHEVRON RESEARCH COMPANY	发明人	ROBERT B * CHOW;RICHARD V * NELSON
分类号	B01D19/00;E21B43/38;(IPC1-7):B01D19/00	主分类号	B01D19/00
代理机构		代理人
主权项
地址

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