IC 009. US 021 023 026 036 038. G & S: Devices for measuring, monitoring and recording of physical or geometrical parameters, constitutions or properties of new or laid rails or steel constructions
IC 019. US 001 012 033 050. G & S: Construction materials (nonmetallic) for performing aluminothermic welding on engineering products, moulds for casting and crucibles
IC 037. US 100 103 106. G & S: Construction and repair, namely performing aluminothermic welding on engineering products
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