Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018); German version EN ISO 4531:2018— 20 стр.
Petroleum and natural gas industries - Drilling and production equipment - Wellhead and tree equipment (ISO 10423:2022); English version EN ISO 10423:2022
Vitreous and porcelain enamels - Migration from enamelled ware in contact with food - Method of test and permissible limits (ISO/DIS 4531.2:2017); German and English version prEN ISO 4531:2017
Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food - Part 2: Permissible limits (ISO 4531-2:1998)— 8 стр.
Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food - Part 2: Permissible limits (ISO 4531-2:1998)— 8 стр.