TBT 2796-1997 铁路隧道固定式照明灯具技术条件

TB/TTB/T2275GB9468GB7000SG286GB7003GB7001JB1643JB1045ZBY22006GB9963GB2828SG386GB70044040SO230mg/m3N2O5TB/T21100mg/m395%30m/s4.0m30m5m30m9mTB/T22750.25GB9468220-+105%0.8565%GB7000GB7000GB7000GB7000GB7000SG286GB7003IP65GB7001JB16433.2.3TB/T3JB1045ZBY22006GB9963GB7000GB70004030.5h15g10Hz100Hz10min5min3.4.33.4.43.5.63.5.73.5.103.1.23.33.5.13.5.43.5.8GB2828IIAQL2.54.3.14.3.3100%abcdeGB7000TB/T4SG386GB7004