ݐ1991e瓡w`ҭ}ҐQdYyeگ
ݐݔH瓡w`ҭ}(PlacePlovdiv Bulgaria )
ݐݷ|W1991/6/7-1991/7/7 (Duration1991/6/7-1991/7/7 )
ݐݓKʖEyeRKè|(TitleSecond World Exhibition of achievements of the young inventors, Bulgaria 1991 )
ݐݓhDQdYyeگ(ThemeYouth activity for a peace World )
ݐݺNN(CategorySpecial Exhibition )