DIN 6647-1
DIN 6647-1 Means of packaging - Cylindrical beverage containers - Part 1: Allowable operating pressure up to 3 bar, nominal volume up to 50 litres
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2006
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2006