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发明名称
RECOVERY OF HEAVY OIL
摘要
申请公布号
GB8620705(D0)
申请公布日期
1986.10.08
申请号
GB19860020705
申请日期
1986.08.27
申请人
BRITISH PETROLEUM CO PLC
发明人
分类号
C10G1/04
主分类号
C10G1/04
代理机构
代理人
主权项
地址
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