07
Water separators; pumps and parts thereof for water
purifying devices and water piping devices (excluding
sanitary facilities); machines for the compression, suction
and transportation of gas
09
Electric and electronic devices for measuring, regulating
and dosing as well as parts thereof and facilities compiled
thereof for water treatment and dosing of gas (excluding
sanitary facilities); devices for gas and water analysis
(not sanitary facilities); photometer
11
Apparatus and instruments for the piping, treatment,
cleaning, filtering, sterilizing, cooling, heating and the
supply of water as well as parts thereof (not sanitary
facilities); apparatus for gas cleaning; regulation supplies
for water and gas devices as well as for water or gas pipes;
security supplies for water and gas devices as well as for
water and gas pipes
35
Wholesale and retail services in the fields of machines and
pumps for water treatment (excluding sanitary facilities),
electric and electronic devices for measuring, regulating
and dosing as well as facilities compiled thereof for water
treatment (excluding sanitary facilities), apparatus and
instruments for the piping, treatment, cleaning, filtering,
sterilizing, cooling, heating and the supply of water (not
sanitary facilities), regulation supplies for water or gas
devices as well as for water or gas pipes, security
equipment for water or gas devices as well as for water or
gas pipes
37
Installation, repair and maintenance of machines and parts
thereof for water treatment (excluding sanitary facilities),
pumps and parts thereof for water treatment and piping
apparatus (excluding sanitary facilities), apparatus for the
compression, suction and transportation of gas, electric and
electronic devices for measuring, regulating and dosing as
well as parts thereof and facilities compiled thereof for
water treatment (excluding sanitary facilities), apparatus
and instruments for the piping, treatment, cleaning,
filtering, sterilizing, cooling, heating and the supply of
water as well as parts thereof (not sanitary facilities),
apparatus for gas cleaning, regulation supplies for water or
gas devices as well as for water or gas pipes, security
supplies for water or gas devices as well as for water or
gas pipes
42
Technical project planning and technical project studies;
water quality control services
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