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发明名称
METHOD OF DEGASSING WORKED-OUT SPACES OF MINE FIELDS
摘要
申请公布号
RU2097568(C1)
申请公布日期
1997.11.27
申请号
RU19950113267
申请日期
1995.07.26
申请人
KOLMAKOV VLADIMIR V;KOLMAKOV VLADISLAV A
发明人
KOLMAKOV VLADIMIR V;KOLMAKOV VLADISLAV A
分类号
E21F7/00;(IPC1-7):E21F7/00
主分类号
E21F7/00
代理机构
代理人
主权项
地址
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