CPV: 45330000 Plumbing and sanitary works, 31160000 Parts of electric motors, generators and transformers, 31161200 Gas cooling systems, 31161800 Parts of gas generators, 31300000 Insulated wire and cable, 31310000 Mains, 39350000 Sewerage works equipment, 42122130 Water pumps, 42123000 Compressors, 42124300 Parts of air or vacuum pumps, of air or gas compressors, 42500000 Cooling and ventilation equipment, 42510000 Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery, 42511110 Heat pumps, 42520000 Ventilation equipment, 42530000 Parts of refrigerating and freezing equipment and heat pumps, 42533000 Parts of heat pumps, 44111500 Insulators and insulating fittings, 44115200 Plumbing and heating materials, 44115500 Sprinkler systems, 44160000 Pipeline, piping, pipes, casing, tubing and related items, 44163000 Pipes and fittings, 45000000 Construction work, 45231220 Construction work for gas pipelines, 45231300 Construction work for water and sewage pipelines, 45231500 Compressed-air pipeline work, 45232000 Ancillary works for pipelines and cables, 45232142 Heat-transfer station construction work, 45331230 Installation work of cooling equipment, 45332000 Plumbing and drain-laying work, 45343230 Sprinkler systems installation work, 50514300 Sleeving repair services, 50730000 Repair and maintenance services of cooler groups, 76480000 Tubing services

CPV: 31161200 Gas cooling systems