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3-phase induction motors of voltage over 1000 V for auxiliaries of thermal power stations. General specifications
Document status: Active
Insulation coordination for equipment within low-voltage systems. Part 1. Principles, requirements and tests
Document status: Active
Electrical apparatus for explosive gas atmospheres. Part 7. Increased safety 'e'
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Radio-frequency cable type PK 75-17-31. Specifications
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Loading guide for oil-immersed power transformers
Document status: Withdrawn