Ryszard Langer, president of the board, managing director, Municipal Water and Sewage Company S.A. in Kraków (MPWiK S.A)
Ryszard Langer
Opening of the Conference
Opening of the Conference
Ryszard Langer, president of the board, managing director, Municipal Water and Sewage Company S.A. in Kraków (MPWiK S.A)