POLSKI ZWIĄZEK FILATELISTÓW

94.99.Z - Activities of other membership organisations not elsewhere classified

58.11.Z - Book publishing

58.14.Z - Publishing of journals and periodicals

58.19.Z - Other publishing activities

59.20.Z - Sound recording and music publishing activities

72.20.Z - Research and experimental development on social sciences and humanities

82.30.Z - Organisation of conventions and trade shows

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

85.60.Z - Educational support activities

93.29.Z - Pozostała działalność rozrywkowa i rekreacyjna