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发明名称
FLERBRUKSBROENNHODEUTSTYR.
摘要
申请公布号
NO900850(A)
申请公布日期
1990.08.24
申请号
NO19900000850
申请日期
1990.02.22
申请人
BRITISH PETROLEUM COMPANY PLC, THE
发明人
HOPPER, HANS PAUL
分类号
E21B41/10;(IPC1-7):E21B7/128
主分类号
E21B41/10
代理机构
代理人
主权项
地址
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