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发明名称
METHOD AND APPARATUS FOR HYDRAULIC JET DRILLING
摘要
申请公布号
CA773007(A)
申请公布日期
1967.12.05
申请号
CAD773007
申请日期
申请人
GULF RESEARCH AND DEVELOPMENT COMPANY
发明人
JOSEPH L. PEKAREK;PAUL W. SCHAUB;ROBERT J. GOODWIN;ERNEST A. MORI;ROBERT E. ZINKHAM
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主分类号
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代理人
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