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经营范围
发明名称
LOW TEMPERATURE BARRIERS FOR USE WITH IN SITU PROCESSES
摘要
申请公布号
IL186204(D0)
申请公布日期
2008.01.20
申请号
IL20070186204
申请日期
2007.09.24
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
分类号
E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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