ISO 21129. Hygrothermal performance of building materials and products. Determination of water vapour transmission properties. Box methods
ISO 21129 建筑材料和产品的湿热性能 水蒸气传输特性的测定 盒子法
Cross References:ISO 9346ISO 12570ISO 12571ISO 12572All current amendments available at time of purchase are included with the purchase of this document.