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经营范围
发明名称
Installation of evacuated tubular conduits
摘要
申请公布号
GB0414881(D0)
申请公布日期
2004.08.04
申请号
GB20040014881
申请日期
2002.12.17
申请人
EXXONMOBIL UPSTREAM RESEARCH COMPANY
发明人
分类号
E21B7/20;E21B41/00;E21B43/10
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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