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Alloyed and high-alloyed steels. Methods for determination of tantalum

Document status: Active

Measurement of water flow in closed conduits. Meters for cold potable water. Installation requirements

Document status: Active

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 2. Insulation resistance

Document status: Active

Artificial intelligence technologies in education. Engagement identification algorithms in online learning. General provisions and test procedure

Document status: Active

United power system and isolated power systems. Relay protection and automation. Differential protection of power lines 330 kV and above. Functional requirements

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Radial short cylindrical roller bearings. Types and boundary dimensions

Document status: Replaced by GOST 8328-2022