O’z DSt 2304:2011

Protection of тature. Atmosphere. Limits and methods of measurement of content of carbon monoxide and hydrocarbons in the exhaust gases of vehicles running on natural gas, in operation

Uniform provisions concerning the official approval of: I. Front underrun protective devices II. Vehicles with regard to the installation of such devices of an approved type . III. Vehicles with regard to their front underrun protection

Additives for cements. Active mineral additives and fillers, supplements. Technical specifications

State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Attestation of testing equipment. Organization and procedure. Replaces O’z DSt 8.017-95

Energy management systems. Requirements with guidance for use. (ISO 50001:2011, IDT)

National classifier of the Republic of Uzbekistan. National classifier of the training areas, occupations and professions of secondary specialized, professional education. Replaces O’z DSt 013:2011