Piotr Nguyen chessaround

59.11.Z - Motion picture, video and television programme production activities

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

47.99.Z - Other retail sale not in stores, stalls or markets

58.11.Z - Book publishing

58.19.Z - Other publishing activities

59.20.Z - Sound recording and music publishing activities

63.11.Z - Data processing, hosting and related activities

63.12.Z - Web portals

63.99.Z - Other information service activities not elsewhere classified

73.11.Z - Advertising agencies activities

73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (Internet)

74.20.Z - Photographic activities

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

85.60.Z - Educational support activities