Russian standards
Information technology. Open Systems Interconnection. Basic reference model. Part 3. Naming and addressing
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Signalling system type D for VAKCC secondary telegraph network. Technical requirements
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Information technologies. Learning, education and training. Conceptual reference model for competency and related objects
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Reprography. Micrography. Photo-thermoplastic films. General technical conditions
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Lenses for photography, motion picture, television. Series of numerical values of relative apertures
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