China National Standards

China properties—Box GB Standards List

  •  China "properties—Box" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 30801-2014 Hygrothermal performance of building materials and products—Determination of water-vapour transmission properties—Box method
    建筑材料及制品的湿热性能 透湿性能的测定 箱式法    		 China National Standards
    properties—Box
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