welab

Chimney shafts of metal; metal fume ducts for chimneys; ducts of metal for ventilating and air conditioning facilities; pipes of metal for central heating installations; metal fume ducts for chimneys; chimney cowls and pots of metal; metal hose clamps for chimneys and ventilation and air conditioning ducts; metal reinforcements for chimneys and ventilation and air conditioning ducts; metal ventilation grids; metal connector elements for pipes; metal chimney covers and ventilation and air conditioning ducts; pipes of metal for removing smoke from industrial apparatus. Apparatus and installations for heating, air-conditioning, ventilation and steam production installations, namely heating installations; boiler pipes in the nature heating installations tubes; extractors for ventilation apparatus; ventilation grates and inlets; draft regulators [heating]; chimney flues; flues for heating boilers. Flexible pipes, not of metal; chimney flues not of metal; non metallic pipe fittings for chimneys and ventilation and air conditioning installations; insulating materials and insulating jackets for non metallic chimneys and ventilation and air conditioning ducts; heat- insulating materials and items; gaskets; waterproof packings; non metallic pipe sleeves for chimneys and ventilation and air conditioning installations. Non metallic chimney shafts; non metallic chimney flues; ducts not of metal for ventilating and air-conditioning installations; non metallic ducts for central heating installations; non metallic chimney flues; chimney cowls and pots not of metal; clip clamps not of metal for chimney ducts and ducts for ventilation and air conditioning; reinforcements for non metallic chimneys and ducts for ventilation and air conditioning; non metallic ventilation grids; non-metallic pipes for industrial smoke removal apparatus. Services of an analysis, control, testing and research laboratory in the field of tubing, heating engineering, ventilation and air-conditioning; conducting of technical project studies in the field of tubing, heating engineering, ventilation and air-conditioning; scientific and industrial research and development carried out by engineers in the field of tubing, premium, ventilation and air conditioning; technical design and development of heating apparatus and installations, products for tubing, heating engineering, ventilation and air-conditioning; quality control of heating apparatus and installations, products for tubing, heating engineering, ventilation and air-conditioning; technical advice and information on heating apparatus, equipment and installations, products for tubing, heating engineering, ventilation and air- conditioning; technical appraisals relating to the transfer of technology; services of engineers responsible for assessments, estimates, research and reports in scientific and technological fields relating to tubing, heating engineering, ventilation and air- conditioning. Bu marka örneği renkli olarak Renkli bölüm içerisinde tekrar yayınlanmıştır.