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Protective technologies. Means of protection. Verification symbol. General technical requirements

Document status: Active

Good regulatory practice. Good regulatory practice guide

Document status: Active

Ductile iron pipes, fittings, accessories and their joints for water or gas applications. Specifications

Document status: Replaced by GOST ISO 2531-2022

United power system and isolated power systems. Relay protection and automation. Distance protection of power transmission lines at voltage class 110 kV and higher powered from two or more sides. The method of calculation and selection of settings

Document status: Active

Steel pattern plates with changeable metal inserts for moulding boxes having inside dimensions 400x300 mm, 450x350 mm, 500x400 mm for moulding foundry machines without turn of half mould with squeezing. Design and dimensions

Document status: Active

Refractories and refractory raw materials. Methods of refractoriness determination

Document status: Replaced by GOST 4069-2020