9
Meters; Electronic measuring, control and regulating apparatus and instruments; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity
37
Installation services; Construction of large-scale exhaust air installations; Installation of technical building equipment in the fields of heating, ventilating, air-conditioning, sanitation, electrical engineering, lighting engineering and safety engineering; Repair, maintenance and services of building technology and industrial technology installations, including heating, lighting, drying, ventilating, air-conditioning, refrigerating, sanitary and electric installations, and parts therefor; fix,Maintenance and servicing of ventilation installations, safety engineering installations and parts therefor; Installation, fix,Maintenance and servicing of measuring, control and regulating installations; Installation, fix, Maintenance and Maintenance of installations and Equipment for automation systems, building automation, control engineering and switch cabinets
42
Technological consultancy and planning; Construction of building technology and industrial technology installations, including heating, ventilating, air-conditioning, refrigerating, sanitary, electric and regulating installations, and parts therefor; Construction of ventilating installations, safety engineering installations and parts therefor; The installation, repair,Maintenance and servicing of software for building control engineering installations, namely installations and equipment for automation systems, building automation, control engineering and switch cabinets; Industrial research and analysis