DIN 18873-5
DIN 18873-5 Methods for measuring the energy consumption of commercial kitchen appliances - Part 5: Tilting frying pans and stationary frying pans
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2016
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2016