4322
Plumbing, heat and air-conditioning installation
类第 4 级
项目
此类有 9 个项目
43221
Installation of heating systems (electric, gas and oil)
Installation of heating systems (electric, gas and oil)
43222
Installation of furnaces, cooling towers
Installation of furnaces, cooling towers
43223
Installation of non-electric solar energy collectors
Installation of non-electric solar energy collectors
43224
Installation of plumbing and sanitary equipment
Installation of plumbing and sanitary equipment
43225
Installation of ventilation, refrigeration or air-conditioning equipment and ducts
Installation of ventilation, refrigeration or air-conditioning equipment and ducts
43226
Installation of gas fittings
Installation of gas fittings
43227
Installation of fire and lawn sprinkler systems
Installation of fire and lawn sprinkler systems
43228
Steam piping
Steam piping
43229
Plumbing, heat and air-conditioning installation n.e.c.
Plumbing, heat and air-conditioning installation n.e.c.
分类路径
部门
F-Construction
分部
43-Specialized construction activities
组
432-Electrical, plumbing and other construction installation activities
当前类
4322-Plumbing, heat and air-conditioning installation