38
Telecommunication services, namely, international and local telecommunication operations with voice transmission, data or images rendered through metal or optical cable, satellite or radio; international and local telecommunication operations with voice transmission, data or images rendered through metal or optical cable, satellite or radio, via the global computer network; engineering services in telecommunication, energy and sanitation areas, urban and rural maintenance of electric net and telecommunication systems, engineering projects in telecommunications energy and sanitation areas
42
Engineering services in the telecommunication, energy, and sanitation fields; maintenance of electric network and telecommunication systems in urban and rural areas; engineering projects in the telecommunication, energy, and sanitation fields; communication services rendered through the global computer network
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