O’z DSt 925:2004

State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Measuring the flow and quantity of liquids and gases by differential pressure method. Allowance for change in the inner diameter of the measuring pipe during gas flow rate measurement. Replaces RD Uz 51-059-97

State requirements to advanced training of the personnel engaged in the foreign economic activity

Uniform provisions concerning the official approval of vehicles of categories M, N and O with regard to braking

Information technology. Firewalls. Classification on the level of safety from unauthorised access to information

System of standards on information, librarianship and publishing. Information and library activities, a bibliography.

Information technology. Cryptographic protection of information. The processes of generation and verification of electronic digital signature. Replaces Ơ’z DSt 1092:2005