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Crystal silicon. General requirements for methods of chemical analysis

Document status: Replaced by GOST 19014-2024

Lighting busways up to 660 V a.c. General specifications

Document status: Active

United power system and isolated working systems. Operative-dispatch management. Automatic emergency control of modes of power systems. Emergency control of power systems. Norms and requirements

Document status: Active

Electrical apparatus for explosive gas atmospheres. Part 15. Construction, test and marking of type of protection 'n' electrical apparatus

Document status: Active

Radio-frequency cable type PK 50-17-17. Specifications

Document status: Active

Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters

Document status: Active