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经营范围
发明名称
Improvements in or relating to an inflatable packer
摘要
申请公布号
GB2316966(B)
申请公布日期
2000.07.26
申请号
GB19970010494
申请日期
1997.05.21
申请人
* TAM INTERNATIONAL INC
发明人
CHARLES OLIVER * STOKLEY
分类号
E21B33/127;E21B33/134;E21B34/14;(IPC1-7):E21B33/127;E21B23/06
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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