Crushed rock and gravel from solid rock for construction. Specifications
Щебень и гравий из плотных горных пород для строительных работ. Технические условия. |
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MISC ИНСТР 1976Instructions on the design of steam protection … |
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GGTN Rules 1992Rules for the installation and safe operation … |
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GOST 25100-2011Soils. Classification. |