Crushed stone and gravel from dense rock and industrial wastes for construction. Physical and mechanical testing methods
Щебень и гравий из плотных горных пород и отходов промышленного производства для строительных работ. Методы физико-механических испытаний. |
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NPB 239-97Ventilation Ducts. Test Method of Fire Resistance |
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GOST 12.2.063-81SSBT. Occupational Safety Standards System. … |
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