04
Natural gas; petroleum gas in gaseous or liquified state;
fuel gas, particularly biogas; fuel mixtures in gas form;
natural gas for vehicles; biocarburants; carburants
07
Machines for the production of gas; gas filtering machines;
gas odorization machine; machine for the production of
biomethane and bioNGV (biofuel) from biogas or synthetic gas
from renewable sources; fuel and biogas distributors for
service stations
11
Installations and apparatus for the production, processing,
storage, packaging, distribution and supply of gas and
biogas; cooling installations for gases; gas filtering and
gas purifying apparatus; gas generators; installations for
the collection of gases; gas drying devices; gas
purification separators; cleaning gas separators; apparatus
for purification of combustion gases; installations for
burning of gases; filters for gases [household or industrial
installations]; adjustment and safety accessories for gas
appliances and gas pipes; pressure regulators for gas
installations; Apparatus and instruments for controlling the
flow of gases; washing columns for the purification of
gases; apparatus and instruments for drying and purifying
biogas
37
Construction services for structures for the production of
natural gas; construction services for structures for the
storage of natural gas; construction services for structures
for the production and distribution of biofuel; construction
services for structures for the organic waste methanation
for purposes of energy production (biogas); construction
services for structures for the combustion of wood resources
for the purposes of energy production (biomass); maintenance
and repair services for installations for generating and
distributing biofuel; installation services for apparatus
for the supply and distribution of gas; installation
services for gas pipelines; hydrogen gas refueling for
vehicles; underground construction works in connection with
mains gas supply lines; maintenance and repair services for
gas-operated installations; installation services for gas
supply pipeline systems; vehicle service stations (refueling
and maintenance)
39
Transport, distribution and supply of gas and biofuels
40
Biofuel production services; gas production services;
natural gas processing services; purification and filtration
of gases; services for processing hazardous gases, dry
gases; gas compression services
42
Engineering services with respect to the production and
distribution of biofuel and gas; design and development of
installations for the production and distribution of biofuel
and gas; engineering services with respect to systems for
the supply and transport of gas; technical studies in the
field of gas production and distribution; technical studies
and research in the field of biofuel production and
distribution; engineering services for the gas industry;
design office services; research and development of new
products in the field of biofuel production and
distribution; quality control services (operation,
performance), especially in the field of installations for
producing and distributing biofuel and gas
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