11
Stoves [heating apparatus]; furnaces for industrial use;
electric furnaces; electric furnaces for metallurgical
purposes; thermal treatment furnaces; electric furnaces [for
industrial purposes]; electric heat-treating furnaces;
electric surface heating tapes; heat accumulators; heat
generating apparatus; heating apparatus; heating
installations; radiators; industrial heating installations;
heating armatures; heating apparatus and installations;
heating installations for industrial use; burners, boilers
and heaters; burners for industrial use; burners for
boilers; burners for heating installations; incandescent
burners
37
Construction of industrial plant; plant maintenance;
installation of industrial machinery; furnace installation
and repair; providing information relating to the repair and
maintenance of furnaces; installation of apparatus for
heating; maintenance and repair of heating; burner
maintenance and repair
42
Technical design and planning of heating installations
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