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发明名称
SPOSOB OBNIZANIA WYSOKIEJ TEMPERATURY POWIETRZA KOPALNIANEGO
摘要
申请公布号
PL104921(B1)
申请公布日期
1979.09.29
申请号
PL19760192514
申请日期
1976.09.18
申请人
发明人
分类号
E21F3/00;(IPC1-7):E21F3/00
主分类号
E21F3/00
代理机构
代理人
主权项
地址
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