[Class : 11] Clean Rooms; Air Conditioning Apparatus For Use In Clean Rooms; Air Conditioning Installations; Air Conditioning Apparatus; Air Filtering Installations; Filters For Air Conditioning; Air Handling Units; Ventilating Fans; Industrial Air Purifiers; Sterilizers; Ventilation [Air Conditioning] Installations For Laboratories; Heat Exchangers For Chemical Processing; ...

[Class : 37] Installation And Repair Of Air Conditioning Apparatus; Construction Services; Installation Of Clean Room Environmental Control Systems; Installation Of Heating, Ventilation And Air Conditioning [Hvac] Systems; Machinery Installation, Maintenance And Repair; Installation, Maintenance And Repair Of Electrical And Electronic Measuring And Testing Apparatus And Inst...

[Class : 42] Engineering Services; Industrial Design Services; Technical Project Studies; Quality Control; Technical Testing And Quality Control Services; Technical Design And Planning Of Heating, Ventilating And Air Conditioning Apparatus And Installations; Scientific And Technological Services And Research And Design Relating Thereto; Architectural Project Management; Engi...