6
Steel structures and masts for outside high voltage electricity supply network lines
9
Apparatus for high voltage electricity power supply, namely, filter chokes and balancing coils, transformers, distribution boards, conductors for transmission of electricity comprising shielded and insulated cables
37
Assembly, repair and maintenance of apparatus for high voltage electrical power distribution; construction services in the power installations field, namely, construction of electrical power supply networks; consulting on the overhaul of power installations, electrical apparatus and electrical materials; consulting in the construction of electricity installations in building construction
41
Organization of professional courses, training and other educational activities, namely, teaching on the subject of power installations and installations for high voltage power distribution
42
Services of engineers in the construction of power installations; technical projects study of electrical installations and installations far the distribution of electricity; technical consulting in technical project studies for technological installations of structures and the assembly of electrical installations; technical consultancy in technical project studies of electrical installations; technical consultancy in technical project studies in the construction of power installations
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