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经营范围
发明名称
DRILLING FLUID
摘要
申请公布号
CA737846(A)
申请公布日期
1966.07.05
申请号
CAD737846
申请日期
申请人
TEXACO DEVELOPMENT CORPORATION
发明人
WALTER J. WEISS;JOHN S. BRUKNER;CLARENCE O. WALKER
分类号
主分类号
代理机构
代理人
主权项
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