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发明名称
MEASUREMENT OF LIQUID LEVELS IN WELLS
摘要
申请公布号
CA625156(A)
申请公布日期
1961.08.08
申请号
CAD625156
申请日期
申请人
THE BRITISH PETROLEUM COMPANY LIMITED
发明人
SYDNEY E. BOOTH;ERIC H. WARD
分类号
主分类号
代理机构
代理人
主权项
地址
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