01
Gases and gas mixtures, in liquid or gaseous form, for use
in industry, research, the environment and science
09
Scientific, measuring and checking apparatus and instruments
for the supply and distribution of gases and gas mixtures in
liquid or gaseous form; equipment for the control,
maintenance and regulation of blanketing atmospheres ;
installations for the control of blanketing and controlled
atmospheres
11
Installations for the production, injection, mixing,
distribution, purification and recycling of industrial gases
and gas mixtures in liquid or gaseous form; apparatus for
freezing/deep freezing food items with nitrogen liquid and
liquid carbon dioxide; refrigerating installations using
liquified gases or gas mixtures as a chilling medium;
installations for the maintenance and regulation of
blanketing and controlled atmospheres ; combustion equipment
for use in industry, namely, burners of all kinds; heat
exchangers, particularly for preheating fuel; cryogenic heat
exchangers using liquified gases or gas mixtures as a
chilling medium; apparatus for injecting gases and gas
mixtures in liquid or gaseous form, particularly systems for
the production and packaging of food items, beverages and
chemicals; devices for the transfer of gas in liquid or
gaseous form
39
Supply (delivery) and distribution (delivery) of industrial
gases and gas mixtures in liquid or gaseous form; rental of
installations for the production, injection, mixing,
distribution, purification and recycling of gases and gas
mixtures in liquid or gaseous form
42
Engineering and consulting services for the implementation
of industrial gases and gas mixtures in liquid or gaseous
form; research, technical and specialized expertise,
industrial process design (engineering) and engineering
services for the benefit of others, all these services in
connection with gases and gas mixtures in liquid or gaseous
form; chemical analysis in connection with gases and gas
mixtures in liquid or gaseous form; rental of scientific,
measuring and checking apparatus and instruments for the
supply and distribution of gases and gas mixtures in liquid
or gaseous form