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发明名称
TREATMENT OF DRILLING FLUIDS
摘要
申请公布号
CA489853(A)
申请公布日期
1953.01.20
申请号
CAD489853
申请日期
申请人
OIL WELL CHEMICAL AND MATERIALS CO.
发明人
EDWARD SAMUEL SELF;MILTON DYKE
分类号
主分类号
代理机构
代理人
主权项
地址
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