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经营范围
发明名称
AQUEOUS DRILLING FLUID
摘要
申请公布号
CA575408(A)
申请公布日期
1959.05.05
申请号
CAD575408
申请日期
申请人
SUN OIL COMPANY
发明人
WILLIAM E. THOMPSON
分类号
主分类号
代理机构
代理人
主权项
地址
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