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Electrical relays. Part 12. Directional relays and power relays with two input energizing quantities
Document status: Active
Secondary cells and batteries containing alkaline or other non-acid electrolytes. Sealed nickel-cadmium prismatic rechargeable single cell
Document status: Active
Explosion-protected electrical apparatus. Part 4. Method of test for ignition temperature
Document status: Replaced by GOST 31610.20-1-2020
Explosion-proof mine low-voltage complete control devices to 1140 V. Technical requirements and test methods
Document status: Active
Aircraft batteries. Part 1. General test requirements and performance levels
Document status: Active