
VITREOUS AND PORCELAIN ENAMELS - GLASS-LINED APPARATUS FOR PROCESS PLANTS - PART 1: QUALITY REQUIREMENTS FOR APPARATUS, COMPONENTS, APPLIANCES AND ACCESSORIES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
This standard is included in DIN HDBK 486.
PREN ISO 28721-1 : DRAFT 2010 - Identical
ISO 28721-1 : 2008(R2008) - Identical
EN ISO 28721-1 : 2011 - Identical