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发明名称
METHOD AND APPARATUS FOR REDUCING HYDRAULIC FRICTION
摘要
申请公布号
CA769493(A)
申请公布日期
1967.10.17
申请号
CAD769493
申请日期
申请人
PAN AMERICAN PETROLEUM CORPORATION
发明人
DON H. FLICKINGER
分类号
主分类号
代理机构
代理人
主权项
地址
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