Recommended practice for classification of locations for electrical installations at petroleum facilities classified as class 1 zone 0 zone 1 and zone 2
基本信息
标准号:
SY/T 6671-2006
名称:
石油设施电气设备安装区域一级、0区、1区和2区区域划分推荐作法
英文名称:
Recommended practice for classification of locations for electrical installations at petroleum facilities classified as class 1 zone 0 zone 1 and zone 2