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Lightweight concrete of coal expanded 'by: poliestileno (izopor), sugarcane bagasse or wood sawdust for the manufacture of tijoloes divisorias ceiling lining plates, slabs, tiles and slabs
Lightweight concrete of coal expanded 'by: poliestileno (izopor), sugarcane bagasse or wood sawdust for the manufacture of tijoloes divisorias ceiling lining plates, slabs, tiles and slabs