Explosion prevention and protection in underground mines. Protective systems-Automatic extinguishing systems for road headers
地下矿山的防爆与防护 保护系统
2009-11-30
GOST R EN 14591-4-2012
Горные выработки подземные. Системы взрывопредупреждения и взрывозащиты. Часть 4. Автоматические системы подавления взрывов на проходческих комбайнах
地下矿防爆保护系统 第4部分道路接头的自动灭火系统
UNE-EN 14591-4-2008
Explosion prevention and protection in underground mines - Protective systems - Part 4: Automatic extinguishing systems for road headers
地下矿山的防爆和防护.防护系统.第4部分:掘进机的自动灭火系统
2008-05-14
DIN EN 14591-4
Explosion prevention and protection in underground mines - Protective systems - Part 4: Automatic extinguishing systems for road headers
地下矿山的防爆和防护.防护系统.第4部分:掘进机的自动灭火系统；德文版EN 14591-4:2007
2007-09-01
BS 05/30134146 DC
EN 14591-4. Explosion prevention and protection in underground mines. Protective systems. Part 4. Automatic extinguishing systems for road headers
EN 14591-4 地下矿山的防爆与防护 保护系统 第四部分 掘进机自动灭火系统
2005-05-24
MT/T 758-1997
煤矿带式输送机电气式自动喷水灭火系统通用技术条件
General technical conditions of automatic electric water-spouting fire extinguishing system for coal mine belt conveyer