Russian standards PDF
Lubricants, industrial oils and related products (class L). Classification. Part 14. Family U (heat treatment)
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Lubricants, industrial oils and related products (class L). Classification. Part 15. Family E (Internal combustion engine oils)
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Lubricants, industrial oils and related products (class L). Classification. Part 99: General
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Earth-moving machinery. Dozers. Terminology and commercial specifications
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Personal eye protection. Sunglasses and related eyewear. Test methods
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Hard coal and coke. Mechanical sampling. Part 2. Coal. Sampling from moving streams
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