Expanded pearlite sand and crushed stone. Specifications
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Crushed stone and sand of porous rocks. Technical requirements
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Aggregate cellular paper. General technical requirements
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Sandy-gravel mixtures for construction work. Specifications
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Filter Perlite powder. Specifications
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Crushed blast furnace slag concrete. Technical requirements
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Artificial porous gravel, crushed stone and sand artificially produced expanded/foamed gravel, crushed rock and sand]. Specifications
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Filtering granular materials. General specifications
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