Blowers for conveyor systems; blowing machines for the compression, exhaustion and transport of gases; blowing machines for the compression, exhaustion and transport of products in granules or powder form; centrifugal and axial compressors; pneumatic installations for tube conveying, namely, air distribution units for pneumatically driven pumps; dust exhausting installations for cleaning purposes; vacuum cleaners; robotic vacuum cleaners; electric vacuum cleaners; dust removal and/or filtering apparatus for industrial use, namely, dust removing installations for cleaning purposes; apparatus for pneumatic transport and capture of sawdust, chips, waste on wood machines; apparatus for pneumatic transport of granulated or powder goods; handling apparatus in the nature of handling machines for loading and unloading; pneumatic transport apparatus and installations; handling apparatus for the pneumatic transport of objects or goods; railroad constructing machines; rail-laying machines; specific blowing and vacuuming machines and machine tools for removing waste and dust from railway equipment for cleaning purposes; ventilation fans in the nature of ventilators for motors and engines; suction machines for industrial use; air filtering machines; suction machines for industrial use for the pneumatic transport of objects or goods; air suction machines; ventilation pumps being compressed air pumps; blowing machines for industrial use; blowing machines for the pneumatic transport of objects or goods; dust removing installations for cleaning purposes; engines other than engines for land vehicles; air condensers; compressed air machines; compressed air machines for the pneumatic transport of objects or goods; compressed air engines other than engines for land vehicles; compressed air pumps for the pneumatic transport of objects or goods; filters for cleaning cooling air being parts of machines; compressors as parts of machines, motors, and engines; pumps for machines, pumps being machine or engine parts, pump diaphragms, compressed air pumps, vacuum pumps, centrifugal pumps; pressure regulators being part of machines; hydraulic dust collectors being dust collecting machines; filtering machines for chemical processing of radioactive particles; waste pneumatic conveyors; machines for capturing of waste; centrifugal fans being parts of industrial machines

Fans, namely, roof fans; filtering and dust removing installations, namely, filters and filtering devices for air and gas conditioning; apparatus and installations for air conditioning; apparatus and installations for heating, drying, cooking, refrigerating, ventilating, filtering, water supply, lighting and their structural parts, namely, electric heaters for commercial use, laundry drying machines, microwave ovens, refrigerators, ventilating exhaust fans, air filtering units, metered valves; heat regenerators; heat exchangers not being parts of machines; air conditioners; humidifiers; electric air driers; gas regulators; air-conditioning apparatus for filtering of suspended matters; air treatment and purification apparatus; devices for cooling and heating of air; blower machines being component parts of ventilation apparatus; apparatus and machines for purifying and disinfecting air, water and soils; sterilizers; air purifying apparatus for oil mist and vapors; hydraulic dusting apparatus, namely, air purifying apparatus and machines; porous layer air filters for cleaning by compressed air for household or industrial installations; air filters for household or industrial installations; dust filtration apparatus with handle, namely, filter cartridges for industrial dust collection systems for use in cleaning; apparatus for cooling fluids, namely, cooling installations for water

Scientific and technological services, namely, scientific research and technological consultancy in the field of air treatment processes, air filtering, dust removing and design of machines, machine tools and apparatus therefor; certification services in the nature of testing, analysis and evaluation of the goods and services of others to determine conformity with certification standards and quality control services for others; evaluation and testing of machines, filters and air treatment processes; research and development of machines, filters and processes for air treatment; material testing services for others consisting of providing of test beds for machines, filters and air treatment processes; consultancy in the field of energy-saving, namely, consulting services in the fields of energy measurement to improve energy efficiency; research in the field of environmental protection; technical project study services, namely, engineering services in the field of air treatment processes, air filtering, dust removing; computer system analysis and conducting scientific study in the field of computer systems; engineering and technological consulting in computer science, industrial and tertiary automation, electricity, technical management of buildings, information systems for use in industrial production; design, development, consultancy, installation, maintenance and updating relating to software, computer programs, and control software programs for automated systems and programmable industrial controllers; design and development of computers and software in the field of machines, filtering and air treatment processes; industrial installations auditing in the nature of quality control for others; drawing up specifications in the nature of technical writing in the field of air treatment processes, air filtering, dust removing and design of machines, machine tools and apparatus therefor; design of machines and industrial air-treatment apparatus and installations for others