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- Слайд 1NATURAL RESOURCES OF HE RYAZAN REGION 469,0 ml". m3 Limestone for breakstone 970,1 mln....
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Слайд 1NATURAL RESOURCES OF HE RYAZAN REGION 469,0 ml". m3 Limestone for breakstone 970,1 mln. tons Cement* GYPSUM 309,9 mln. tn3 25,7 mln. tn3 483,1
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