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经营范围
发明名称
Consolidation by silica coalescence
摘要
申请公布号
US3205946(A)
申请公布日期
1965.09.14
申请号
US19620178856
申请日期
1962.03.12
申请人
SHELL OIL COMPANY
发明人
PRATS MICHAEL;JR. TYLER W. HAMBY,
分类号
E21B33/138
主分类号
E21B33/138
代理机构
代理人
主权项
地址
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