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发明名称
DRILLING FLUID
摘要
申请公布号
CA576739(A)
申请公布日期
1959.05.26
申请号
CAD576739
申请日期
申请人
TEXACO DEVELOPMENT CORPORATION
发明人
RICHARD H. GRAVES;WALTER J. WEISS
分类号
主分类号
代理机构
代理人
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