GB/T 23615.2-2017铝合金建筑型材用隔热材料第2部分:聚氨酯隔热胶国家标准
英文:Thermal barrier materials for architectural aluminum alloy profiles—Part 2: Thermal barrier polyurethane GB/T 23615.2...
英文:Thermal barrier materials for architectural aluminum alloy profiles—Part 2: Thermal barrier polyurethane GB/T 23615.2...