07
Process gas coolers for the petrochemical or chemical
industry; heat exchangers (as part of machines and plants
made up of these machines or as part of a steam generator
system) for heat recovery from manufacturing processes in
the chemical, petrochemical, metallurgical or glass industry
or for heat recovery in power stations; high-temperature
preheaters (as part of machines and plants made up these
machines or as part of a steam generator system) for air,
gaseous or liquid substances for chemical and metallurgical
manufacturing processes or glass manufacture; recuperators
(as part of machines and plants made up of these machines or
as part of a steam generator system) for use in the
metallurgical industry, on melting furnaces of mineral wool
production, chemical or petrochemical manufacturing
processes, or in fluidised bed furnaces for sludge
combustion; thermal post-combustion furnaces for dust-laden
gases, blast furnace gas containing CO or exhaust air
containing solvents downstream of various manufacturing
processes; heat exchangers (as par of machines and plants
made up of these machines or as part of a steam generator
system) for air or fuel preheating; heat exchangers (as part
of machines and plants made up of these machines or as part
of a steam generator system) for recovery of gas turbine
waste heat
11
Steam generator system for process gas and heat recovery in
"steam reforming" manufacturing processes, heat recovery in
chemical and metallurgical manufacturing processes, heat
recovery after partial oxidation, heat recovery downstream
of ammonia combustion in nitric acid and caprolactam
manufacturing processes; heat recovery steam generators in
fire tube, water tube and double tube design for chemical,
metallurgical and glass technological manufacturing
processes; heat recovery steam generators for the
utilisation of gas turbine heat
37
Repair and maintenance of the products mentioned in classes
7 and 11
42
Engineering services for the products mentioned in classes 7
and 11
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