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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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Information technology. Telecommunications and information exchange between systems. Near Field Communication Interface and Protocol (NFCIP-1). RF interface test methods
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