DIN 51032
DIN 51032 Ceramics, glass, glass ceramics - Permissible limits for the release of lead and cadmium from articles intended for use in contact with food
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/2017
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/2017