GOST R 54776-2011 职业安全标准体系.煤矿中尘埃空气混合物对气体和尘埃危险的预防和定位爆炸的设备和设施.通用技术要求.安全性要求和试验方法
Occupational safety standards system. Equipment and facilities for prevention and localization explosions of dust-air mixtures in coal mines dangerous on gas and dust. General technical requirements. Safety requirements and test methods