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经营范围
发明名称
Formation cleaner
摘要
申请公布号
US2913053(A)
申请公布日期
1959.11.17
申请号
US19570652799
申请日期
1957.04.15
申请人
HALLIBURTON OIL WELL CEMENTING COMPANY
发明人
WESTBROOK SPURGEON S.
分类号
E21B37/00
主分类号
E21B37/00
代理机构
代理人
主权项
地址
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