
Vitreous and porcelain enamels — Glass-lined apparatus for process plants — Part 1:Quality requirements for apparatus, components, appliances and accessories
出版:International Organization for Standardization

專家解讀視頻
This document specifies the quality requirements for apparatus, components, appliances and accessories of glass-lined steel (including semi-crystallized enamel coatings) and glass-lined steel castings used for process plants.
I.S. EN ISO 28721-1:2019 - Identical
EN ISO 28721-1 : 2019 - Identical
BS EN ISO 28721-1:2019 - Identical
DS/EN ISO 28721-1:2019 - Identical
DS/ISO 28721-1:2019 - Identical
NEN-EN-ISO 28721-1:2019 - Identical
DS/EN ISO 28721-1:2019 - Identical
DS/ISO 28721-1:2019 - Identical
I.S. EN ISO 28721-1:2019 - Identical
BS EN ISO 28721-1:2019 - Identical
EN ISO 28721-1 : 2019 - Identical
NEN-EN-ISO 28721-1:2019 - Identical