Piotr Kowal

28.99.Z - Manufacture of other special-purpose machinery notelsewhere classified

27.32.Z - Manufacture of other electronic and electric wires and cables

27.90.Z - Manufacture of other electrical equipment

33.12.Z - Repair and maintenance of machinery

46.14.Z - Agents involved in the sale of machinery, industrial equipment, ships and aircraft

46.18.Z - Agents specialised in the sale of other particular products

46.19.Z - Agents involved in the sale of a variety of goods

71.20.B - Other technical testing and analysis

72.19.Z - Other research and experimental development on natural sciences and engineering

77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified

85.59.B - Other out-of-school forms of education, not elsewhere classified