Russian standards PDF
Brown coals, hard coals and anthracite. Method for determination of hygroscopic moisture
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Lithium. Method of determination of sodium, potassium and calcium
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Measuring instruments of film length. Assumed perforation. Gear ratios
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Cylindrical clearance gauges for machine retaining devices. Design
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Unified protection corrosion and ageing system. Oils and lubricants. Methods of laboratory tests for resistance to bacteria action
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