9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for the conduction, distribution, conversion, storage, regulation and management of electricity; electric transformers; switching apparatus for electric installations, transformers and reactors; reactors for electricity networks; transmission lines for the transmission of electricity
37
Building construction; repair of apparatus and instruments for the conduction, distribution, conversion, storage, regulation and management of electricity, of electric transformers, of switching apparatus for electric installations, transformers and reactors, of reactors for electricity networks, of transmission lines for the transmission of electricity; installation services of apparatus and instruments for the conduction, distribution, conversion, storage, regulation and management of electricity, of electric transformers, of switching apparatus for electric installations, transformers and reactors, of reactors for electricity networks, of transmission lines for the transmission of electricity
42
Scientific and technological services and research and design relating thereto, including for transformers, switching apparatus, reactors, transmission lines for the transmission of electricity; services in the field of industrial analysis and industrial research, including for transformers, switching apparatus, reactors and transmission lines for the transmission of electricity