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发明名称
Packer sealing element with shape memory material
摘要
申请公布号
GB0818696(D0)
申请公布日期
2008.11.19
申请号
GB20080018696
申请日期
2007.04.13
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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