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Power push-button switches and push-button control stations. General specifications
Document status: Withdrawn
Electric generating plants with gasoline, diesel and gas internal combustion engines. Reliability indexes, requirements and methods of testing
Document status: Active
Rotating electrical machines. Built in thermal protection. Thermal detector and control units used in thermal protection system
Document status: Active
Mining electrical equipment of normal production. General technical requirements and test methods
Document status: Active
Porcelain and glass pin type insulators for voltage level up to 1000 V. General specifications
Document status: Active