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Granulated light building material eg pumice - stone silicate foam grains, and expanded clay
Granulated light building material eg pumice - stone silicate foam grains, and expanded clay
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机译:轻质颗粒状建筑材料,例如浮石-硅酸石泡沫颗粒和膨胀粘土
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摘要
The individual grains have their external surface covered with a styrene polymer or copolymer which contains a carrier agent. Specif. the covering layer comprises beads or rods of un-foamed styrene polymer.
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