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发明名称
LOST CIRCULATION MATERIAL
摘要
申请公布号
CA782992(A)
申请公布日期
1968.04.16
申请号
CAD782992
申请日期
申请人
PAN AMERICAN PETROLEUM CORPORATION
发明人
JAMES L. LUMMUS;BILLY V. RANDALL
分类号
主分类号
代理机构
代理人
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