IC 035. US 100 101 102. G & S: Business management; sales and trade services in general, either for one's own account of for the account of third parties, of all kind of metal and mechanical structures and objects as well as structures and objects of concrete or any other material
IC 037. US 100 103 106. G & S: Construction, installation, maintenance and repair services, specially construction services for all kind of civil works and infrastructures
IC 040. US 100 103 106. G & S: Treatment of materials
IC 042. US 100 101. G & S: Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
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