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发明名称
Deep well filters
摘要
申请公布号
GB2306894(B)
申请公布日期
1999.06.02
申请号
GB19950022662
申请日期
1995.11.04
申请人
* MIXALLOY LIMITED
发明人
NIGEL JOHN * BROOKS
分类号
B01D29/11;B01D39/12;B01D39/20;E21B43/08;(IPC1-7):B01D39/12;B01D29/58
主分类号
B01D29/11
代理机构
代理人
主权项
地址
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