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Mining equipment. Multipurpose safety systems and automated control systems for technological processes in the mine. General technical requirements
Document status: Active
Rotating electrical machines. Asynchronous motors. Test methods
Document status: Active
Stationary steam turbines of low capacity. General specifications
Document status: Active
Explosive atmospheres. Part 1. Equipment protection by flameproof enclosures 'd'
Document status: Active
Low-voltage switchgear and controlgear assemblies. General requirements and test methods
Document status: Withdrawn
Electric filament lamps for general purpose. Specifications
Document status: Active