07
Pressure regulators
09
Scientific, optical, measuring, signaling and checking
(supervision) apparatus and instruments; apparatus and
instruments for conducting, switching, transforming,
accumulating, regulating or controlling electricity;
measuring and testing machines and instruments; metal
hardness testing machines; metal compression testing
machines; metal strength testing machines; alarms
(instruments); heat regulating apparatus; flame detectors;
heat detectors; gas detectors; temperature indicators; gas
mixers for laboratory use
11
Melting furnaces; industrial furnaces; reheating furnaces
for industrial use; burners; gas burners for industrial use
37
Installation, repair, servicing and maintenance of
industrial furnaces, furnaces and melting furnaces, of heat,
flame, smoke and gas detectors, of burners, of pressure
regulators; provision of information relating to the
installation, repair, servicing and maintenance of
industrial furnaces, furnaces and melting furnaces, of heat,
flame, smoke and gas detectors, of burners, of pressure
regulators
40
Material treatment services; galvanization and metal coating
services; treatment and casting of metals; hardening of
metals and metal products; heat treatment of metals; heat
treatment of metal surfaces; heat treatment of pipes and
tubes made of metal; provision of information relating to
the treatment of materials, galvanization and metal coating
services, treatment and casting of metals, hardening of
metals and metal products, heat treatment of metals, heat
treatment of metal surfaces, heat treatment of pipes and
tubes made of metal; manufacture and assembling to order of
industrial furnaces, furnaces and melting furnaces for
others
42
Scientific and technological services as well as research
and design services relating thereto; industrial analysis
and research services; design of scientific, optical,
measuring, signaling and checking apparatus and instruments,
of apparatus and instruments for conducting, switching,
transforming, accumulating, regulating or controlling
electricity, of instruments and machines for measuring and
testing, of metal hardness testing machines, of metal
compression testing machines, of metal strength testing
machines, alarm instruments, heat control apparatus, flame
detectors, heat detectors, gas detectors, temperature
indicators, pressure regulators, gas mixers for laboratory
use, melting furnaces, industrial furnaces, reheating
furnaces for industrial use, burners and gas burners for
industrial use; quality control testing services for
industrial machinery as well as component parts thereof