Browse All : Images by Olma+Schweizer+Messe+f%C3%BCr+Land-und+Milchwirtschaft%2C+St.+Gallen and Ruedi+K%C3%BClling%2C+Gockhausen+%2F+Z%C3%BCrich and Litho-Service+AG%2C+St.+Gallen and Olma+Schweizer+Messe+f%C3%BCr+Land-und+Milchwirtschaft%2C+St.+Gallen from 1980s