Thermal insulation products for buildings - in - situ thermal insulation formed from expanded perlite products - specification for bonded and loose - fill products before installation 建筑物用热绝缘产品.现场成形膨胀珍珠岩热绝缘产品.粘结和松填装产品安装前的规范
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Thermal insulation products for buildings - in - situ thermal insulation formed from expanded perlite products - part 1 : specification for bonded and loose - fill products before installation 建筑物用热绝缘产品.现场成形膨胀珍珠岩热绝缘产品.第1部分:粘结和松填装产品安装前的规范