With the Pertra suitcase classification, new classes are created time and again by assigning parts. This is how the regularities of the series are recognized. The acting action also promotes the figure-ground distinction and the constancy of perception.
Pertra case classification: 529.00
Case shelf trolley: 299.00 EUR
Complete conveying material (in 7 cases): 3,499.00 EUR
(each retail price including VAT
Price date: April 28, 2021