Information technology. Security techniques. Network security. Part 5. Securing communications across networks using Virtual Private Networks (VPNs). (ISO/IEC 27033-5:2013, MOD)
Telecommunication networks. Plesiochronous transmission systems, synchronous digital hierarchy networks and synchronous digital hierarchy management system. General technical requirements
State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Mechanical and electromechanical labaratory weights of standard and common application. General metrological requirements. Methods of verification
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