IRIS - Kansainvälinen Keramiikkaseminaari / Internationella Keramikseminariet / International Ceramics Seminar / Internationales Keramikseminar / МЕЖДУНАРОДНЫЙ СЕМИНАР ПО КЕРАМИКЕ

date of exhibition: 1988/08/01 - 1988/08/07
institution: Porvoo-Borgå
type of exhibition: symposium/seminář