
Leather - Chemical tests - Determination of pH and difference figure (ISO 4045:2018)
出版:Osterreichisches Normungsinstitut/Austrian Standards

專家解讀視頻
EN ISO 4045 : 2008 - Identical
EN ISO 4045:2018 - Identical
ISO 4045:2018 - Identical
EN ISO 4045:2018 - Identical
ISO 4045:2018 - Identical
EN ISO 4045 : 2008 - Identical