7 Exhaust gas catalytic converters for stationary and mobile combustion engines; exhaust gas catalytic converters for electricity generation plants, power plants, combined heat and power plants, passenger vehicles, trucks, locomotives, construction machinery, tunnelling machinery, lifting vehicles, ocean-going vessels, inland water vessels and river ships; exhaust gas catalytic converters for combustion engines comprising Otto engines, diesel engines, gas engines, hot air engines, steam engines or gas turbines; exhaust gas catalytic converters for furnaces, heating furnaces, small furnaces, waste furnaces and special furnaces; exhaust gas catalytic converters for process-engineering installations; exhaust gas catalytic converters for NOx reduction, CO oxidation and/or HC oxidation; soot filters for motors and engines; industrial chemical reactor housings; injection apparatuses for injecting reactants into exhaust gases; mixers for mixing reactants into exhaust gases; cross-flow mixers for mixing reactants into exhaust gases; built-in catalytic converters; reduction catalytic converters; oxidation catalytic converters; soot particulate filters for motors and engines; catalytic exhaust gas purifying systems for stationary and mobile combustion engines; catalytic exhaust gas purifying systems for combustion engines comprising gasoline engines, diesel engines, gas engines, hot air engines, steam engines or gas turbines; structural parts for the goods mentioned hereinabove