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Solid mineral fuels. Method for determination of phosphorus
Document status: Active
United power system and isolated power systems. Relay protection and automation. Directional carrier-current protection of power lines 110–220 kV. Testing
Document status: Active
Unified system of corrosion and ageing protection. High-strength steels and alloys. Accelerated test methods for corrosion cracking
Document status: Replaced by GOST 9.903-2024
Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 1. General requirements
Document status: Active
Industrial automation systems and integration. Product data representation and exchange. Part 1289. Application module. AP239 management resource information
Document status: Active