GOST 33891-2016

Tungsten concentrate. Specifications

Electrical apparatus for explosive gas atmospheres. Part 19. Repair and overhaul for apparatus used in explosive atmospheres (other than mines or explosives)

Pipes for pipelines. General specifications

Product-quality index system. Products of chemical and petroleum engineering industry. Complete technological plants. Nomenclature of indexes

Locks, latches, mechanisms cylinder. Methods and testing

State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by differential pressure method. Orifice plates, nozzles ISA 1932 and Venturi tubes inserted in circular cross-section filled conduits. Specifications