Russian standards PDF

Air transport. Safety management system of aviation activity of service providers. Database. Structure of database. General requirements

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System of national standards of social accountability of telecommunication companies. General provisions

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System of national standards of social accountability of telecommunication companies. Structure and composition

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System of national standards for quality of telecommunication services. Quality of telecommunication services. Guideline values of quality indices of telecommunication services at the stage of customer interaction

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System of national standards for quality of telecommunication services. Quality of services of local, long-distance and international telephone communication. Normative values for quality indices of telephone calls

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System of national standards for quality of telecommunication services. Quality of service of cellular mobile communication. Normative values for quality indices

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