?NORM EN ISO 4098:2018现行
Leather - Chemical tests - Determination of water-soluble matter, water-soluble inorganic matter and water-soluble organic matter (ISO 4098:2018)
出版：Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频
EN ISO 4098 : 2006 - Identical
EN ISO 4098:2018 - Identical
ISO 4098 : 2018 - Identical
EN ISO 4098 : 2006 - Identical
ISO 4098 : 2018 - Identical
EN ISO 4098:2018 - Identical
