U.S. federal trademark · Serial No. 79018553 · Reg. No. 3199075
Oil purifying and gas heating installations, namely, combustion installations for purifying gases from pyrolysis or gasification; gas burners for industrial use; industrial furnaces; filtering installations, namely, industrial air filtering machines as well as parts and accessories thereof
Installations, equipment and machinery for the manufacturing of technical gases and for separating reaction gases for industrial applications and purposes
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