DIN EN 14309 E:2015 文件草案 建筑设备和工业装置的隔热产品 工厂制造的发泡聚苯乙烯 (EPS) 产品 规范
Draft Document - Thermal insulation products for building equipment and industrial installations - Factory made products of expanded polystyrene (EPS) - Specification; German and English version FprEN 14309:2015