GOST 33778-2016

Raremetallic concentrates. Methods for the determination of niobium pentoxide

State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Part 4. Venturi tubes. Technical requirements

Overhead collar nut for machine retaining devices. Design and dimensions

Safety of power transformers, power supplies, reactors and similar products. Part 2-12. Particular requirements and tests for constant voltage transformers and power supply units for constant voltage

Russian system of quality. Comparative testing of children's socks and stockings

Connection parts for pipe-lines and metal-reinforced hoses. Types, basic dimensions and technical requirements