9
Laminar flow hoods for laboratory use; Laboratory furniture [specifically adapted]; Scientific research and laboratory apparatus, educational apparatus and simulators; Safety, security, protection and signalling devices; Apparatus and installations for holding, storage, processing and preparing, analysis or weighing of critical goods and materials under final conditions; Flue chimneys; Air-conditioned apparatus and installations for holding, storage, processing and preparing, analysis or weighing of critical goods and materials under final conditions
11
Vents and installations for the dissipation of air, Flues and installations for discharging gases and dust; Filters for air extractor hoods; Air-conditioning installations
37
Installation services of laminar flow hoods for laboratory use; Repair and maintenance of laminar flow hoods for laboratory use; Installation services of laboratory furniture [specifically adapted]; Repair and maintenance of laboratory furniture [specifically adapted]; Installation services of scientific research and laboratory apparatus, educational apparatus and simulators; Repair and maintenance of scientific research and laboratory apparatus, educational apparatus and simulators; Installation services of safety, security, protection and signalling devices; Repair and maintenance of safety, security, protection and signalling devices; Installation services of filters for air extractor hoods; Repair and maintenance of filters for air extractor hoods; Installation services of air conditioning installations; Repair and maintenance of air conditioning installations; Installation services relating to: apparatus and installations for holding, storage, processing and preparing, analysis or weighing of critical goods and materials under final conditions; Installation services relating to: flue chimneys; Installation services relating to: flues and installations for discharging air, gases and dust; Installation services relating to: air-conditioned apparatus and installations for holding, storage, processing and preparing, analysis or weighing of critical goods and materials under final conditions; Repair and maintenance of: apparatus and installations for holding, storage, processing and preparing, analysis or weighing of critical goods and materials under final conditions; Repair and maintenance of: flue chimneys; Repair and maintenance of: flues and installations for discharging air, gases and dust, air-conditioned apparatus and installations for holding, storage, processing and preparing, analysis or weighing of critical goods and materials under final conditions