7
Heat exchangers [parts of machines]; Heat exchangers [parts of machines] for LPG; LPG vaporizers [machine parts]; Gas vaporisers; Gas vaporising systems [machines]; Vaporising units [machines]; Pressure regulating and gas measurement stations/units [machines]; Regulating and measurement units for LPG (liquefied petroleum gas) [machines]; Gas converters; Filters for gases [machines]; Fuel filters; Filters being parts of machines; Fuel filters for vehicle engines; Filters for hot gases for use with internal combustion engines; Non-return valves of metal [parts of machines]; Ball valves being parts of machines; Valves; Valves for pumps; Clack valves [parts of machines]; Regulators [parts of machines]; Dosing valves; Control valves for regulating the flow of gases and liquids (parts of machines); Safety valves [parts of machines]; Stop valves [parts of machines]; Pressure valves [parts of machines]; Valves operated by changes in pressure; Regulators [parts of machines]; Suction valves for gas compressors; Valves [mechanical] for regulating fluid flow; Actuators for valves; Valve closure mechanisms; LPG (liquefied petroleum gas) dispensers; Methane dispensers; LPG and methane dispensers for service stations; Fluid pumping installations; Gas pumping systems; Gas pumps; Pumps [machines]; Methane compression systems; Blowing machines and fans for the compression, sucking and transport of gases; Pressure reducers [parts of machines]; Electrovalves [parts of machines]
11
Heat exchangers, other than parts of machines; Heat exchangers, excluding the following goods: Parts for machines; Heat exchangers for LPG, excluding the following goods: Parts for machines; LPG vaporizers, excluding the following goods: Parts for machines; Pressure relief valves [safety apparatus] for gas apparatus; Ball valves; Level control valves; Safety valves for gas apparatus; Stop valves for regulating gas; Mechanisms for controlling the level of gas in tanks [valves]; Stop valves being safety apparatus for gas apparatus; Regulating and safety accessories for water and gas installations; Regulating apparatus for gas installations; Stop cocks for regulating gas; Gas regulators; Regulating apparatus for gas apparatus; Gas pressure stabilizers; Regulating and safety accessories, namely Pressure regulators for gases; Industrial heaters; Installations for controlling the flow of gases; Pressure controllers [regulators] for gas pipes; Pressure supervision apparatus [safety apparatus for gas apparatus]; Pressure relief apparatus for use with gas installations; Filters for industrial and household use; Filters for cleaning gases [parts of household or industrial installations]; Filters for gas extractors; gas treatment plants; Storage water heaters; Thermal power stations
42
Technical design and planning of pipelines for gas, water and waste water; Technical design and planning of LPG (liquefied petroleum gas) pressure regulating and gas measurement stations/units, vaporisation units and LPG pressure regulating and measurement machines, apparatus and instruments; Design of machinery, apparatus and instruments relating to treatment installations and gas transportation installations; Design of industrial installations relating to the treatment and transport of gas; Designing and Development, in relation to the followig goods: Computer software for the control, regulation and monitoring of gas treatment and transport plants; Industrial design; Design of industrial products; Industrial engineering design services; Engineering services for the gas industry; Engineering services relating to gas transport and supply systems