IC 007. US 013 019 021 023 031 034 035. G & S: Parts for compressed-air tools used in construction engineering, namely, metal pipes; Parts of oilfield wellhead machines, namely, pipes made of metal
IC 037. US 100 103 106. G & S: Installation of building insulation around metal pipes and tubes; construction consultancy
IC 040. US 100 103 106. G & S: Exterior and interior treatment of the metal in pipes and tubes made of metal, namely, exterior and interior steel plating; treatment of materials by means of heat treatment of pipes and tubes made of metal
IC 042. US 100 101. G & S: Technical planning of buildings; Technical research on building construction planning; technical project planning of pipe lines in the oil, gas, and water industry; technical project planning of Offshore pipes and under water structures; technical project planning of buildings, bridges, stadiums, and high-rises; technical project planning of machinery pipes for the paper industry; technical consultancy in relation to all of the above; engineering; calibrations; non-destructive material testing of pipes and tubes made of metal
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