DIN 8131
DIN 8131 Automatic gravimetric filling instruments - Metrological and technical requirements - Tests (OIML R 61-1:2004)
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2007
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2007