
HGJ 21-1989
化工企业爆炸和火灾危险环境电力设计规程
目录
1总则...................................(1)
2气体或蒸气爆炸危险环境..........................(1)
3粉尘爆炸危险环境............................(26)
4火灾危险环境 ......................... (32)
附录1 ................................ (35)
附录2 ................................ (39)
参考件..................................(45)
编制说明.................................(54)