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发明名称
УСТРОЙСТВО ДЛЯ УДАЛЕНИЯ ПЫЛЕГАЗОВОЙ СМЕСИ ИЗ ЗАБОЯ ТУПИКОВОЙ ВЫРАБОТКИ
摘要
申请公布号
RU12182(U1)
申请公布日期
1999.12.16
申请号
RU19990107607U
申请日期
1999.04.13
申请人
Государственный Восточный научно-исследовательский институт по безопасности работ в горной промышленности
发明人
Трубицын А.А.;Трубицына Н.В.;Медведев А.В.;Буймов К.К.;Кирсанкин С.И.;Попов М.С.
分类号
E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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