Solar Drives Krzysztof Bieńkowski

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

47.91.Z - Retail sale via mail order houses or via Internet

58.11.Z - Book publishing

58.14.Z - Publishing of journals and periodicals

58.19.Z - Other publishing activities

58.29.Z - Other software publishing

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

62.09.Z - Other information technology and computer service activities

71.12.Z - Engineering activities and related technical consultancy

71.20.B - Other technical testing and analysis

74.10.Z - Specialised design activities

74.20.Z - Photographic activities

74.30.Z - Translation and interpretation activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

85.51.Z - Out-of-school forms of sports and leisure education

85.53.Z - Out-of- school forms of driving education

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

85.60.Z - Educational support activities

93.19.Z - Other sports activities