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发明名称
DRILLING COST INDICATOR
摘要
申请公布号
CA894482(A)
申请公布日期
1972.02.29
申请号
CAD894482
申请日期
申请人
AMOCO CANADA PETROLEUM COMPANY LTD.
发明人
RENIC P. VINCENT;LAWRENCE B. WILDER
分类号
主分类号
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