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发明名称
DEVICE FOR MEASURING MINE VENTILATION RATE
摘要
申请公布号
RU2047779(C1)
申请公布日期
1995.11.10
申请号
SU19925055828
申请日期
1992.07.22
申请人
TOVARISHCHESTVO S OGRANICHENNOJ OTVETSTVENNOSTYU "DISIDI"
发明人
ONISHCHENKO ALEKSANDR M;ONISHCHENKO YURIJ A
分类号
E21F1/00;G01P5/12;(IPC1-7):E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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