Online Standards Store
Information technology. Computing equipment. Classification on the basis of the level of safety from unauthorised access to information
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Telecommunication networks. Digital automatic telephone exchanges. General technical specifications
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Telecommunication networks. Terminal end device. General technical requirements
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Compatibility of radio-electronic equipment. Interference caused by industrial and information technology equipment. Limits and test methods. (EN 55022:1998)
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Telecommunication networks. Access protocol V5.2. Basic provisions
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State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. The system of measurement of duration of telephone connections. Metrological support. Basic provisions
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