DIN 18873-20
DIN 18873-20 Methods for measuring the energy consumption of commercial kitchen appliances - Part 20: Crepe and Poffertjes-Baker
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2016
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2016