11
Apparatus for lighting, heating, steam generating, cooking,
refrigerating, drying, ventilating, water supply and
sanitary purposes; air valves for steam heating
installations; ash conveyor installations, automatic; ash
pits for furnaces; boiler pipes [tubes] for heating
installations; brackets for gas burners; coils [parts of
distilling, heating or cooling installations]; expansion
tanks for central heating installations; feeding apparatus
for heating boilers; fittings, shaped, for furnaces; flare
stacks for use in the oil industry; flues for heating
boilers; furnace ash boxes; gas condensers [other than parts
of machines]; gas scrubbing apparatus; kiln furniture
[supports]; loading apparatus for furnaces; regulating
accessories for water or gas apparatus and pipes; regulating
and safety accessories for gas apparatus; regulating and
safety accessories for gas pipes; regulating and safety
accessories for water apparatus; safety accessories for
water or gas apparatus and pipes; heat exchangers, other
than parts of machines; heat exchangers for chemical
processing; evacuated heat pipe solar collectors [heat
exchangers]; evaporators; gas boilers; heating boilers;
industrial boilers; boilers, other than parts of machines;
steam boilers, other than parts of machines; steam heating
apparatus; steam generators; gas burners
37
Building construction; repair; installation services; boiler
cleaning and repair; burner maintenance and repair;
machinery installation, maintenance and repair; pipeline
construction and maintenance; repair information;
rustproofing; repair and installation of heat exchangers
being other than parts of machines; repair and installation
of heat exchangers for chemical processing; repair and
installation of evacuated heat pipe solar collectors being
heat exchangers; repair and installation of evaporators;
repair and installation of gas boilers; repair and
installation of heating boilers; repair and installation of
industrial boilers; repair and installation of boilers being
other than parts of machines; repair and installation of
steam boilers being other than parts of machines; repair and
installation of steam heating apparatus; repair and
installation of steam generators; repair and installation of
gas burners
42
Scientific and technological services and research and
design relating thereto; technical research in the field of
heat exchange; design of heat exchangers, evaporators, gas
boilers, heating boilers, industrial boilers, steam boilers,
steam heating apparatus, steam generators, and gas burners
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