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发明名称
EXTINGUISHING OF OIL WELL FIRE
摘要
申请公布号
CS9101496(A3)
申请公布日期
1992.12.16
申请号
CS19910001496
申请日期
1991.05.21
申请人
NEMCANSKY JIRI ING.
发明人
NEMCANSKY JIRI ING.
分类号
E21B35/00;(IPC1-7):E21B35/00
主分类号
E21B35/00
代理机构
代理人
主权项
地址
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