General Terms of SERTO AG, Frauenfeld / Switzerland (english)
General Terms of SERTO CZ s.r.o., Klatovy / Czech Republic (english)
General Terms of SERTO CZ s.r.o., Klatovy / Czech Republic (czech)
General Terms of SERTO Italiana S.r.l., Brembate di Sopra (BG) / Italy (english)