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发明名称
DOWNHOLE GAS ANCHOR DEVICE
摘要
申请公布号
GB2183171(B)
申请公布日期
1989.10.04
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
主分类号
B01D19/00
代理机构
代理人
主权项
地址
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