432105
Subclass
Intercommunication system, installation and maintenance
閉路通訊系統安裝及保養
Classification Hierarchy
Related Codes in the Same Group
432101
432102
432103
432104
432106
432199
Electrical wiring and fitting
電線鋪設及電器裝設
Electrical fitting with water plumbing
電器裝設兼水管鋪設
Fire alarm and fire fighting equipment, installation and maintenance
火警及滅火設備安裝及保養
Anti-burglar system, installation and maintenance
防盜系統安裝及保養
Telecommunications equipment, installation and maintenance
電訊設備安裝及保養
Combined and other installation and maintenance of electrical and mechanical equipment
綜合及其他電器及機械設備安裝及保養