432201 Subclass

Air-conditioning and ventilation system, installation and maintenance

空氣調節及通風系統安裝及保養

Classification Hierarchy

F — Construction › 43 › 432 › 4322 › 432201

Related Codes in the Same Group

432202

Water plumbing and drain laying

供水管及排水管鋪設

 432203

Water well drilling

鑽水井

 432204

Gas fitting, installation and maintenance

燃氣供應系統裝設、安裝及保養

 432299

Combined and other ventilation, gas and water fitting, installation and maintenance

綜合及其他通風、燃氣及水務設備安裝及保養