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Left side ribs for machine retaining devices. Design and dimensions
Document status: Active
Moulding sands and sand mixtures. Methods for determination of granulometric composition, fineness modulus and average size of
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Information technology. Cryptographic data security. Signature and verififcation processes of electronic digital signature
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Oil power transformers of voltage classes 35—750 kV. General requirements for energy efficiency levels
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Welded joints. Test methods on resistance to cold crack formation under fusion welding
Document status: Active only in RF