GB 10800
Rigid polyurethane foam for building insulation — 89
建筑物隔热用硬质聚氨醋泡沫塑料 一89
📚 References & Relations / 引用与关联
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GB 3399
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GB 6343
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GB 8332
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GB 8333
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GB 8811
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GB 8813
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SG 39