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Stationary lead-acid batteries. Part 11. Vented types. General requirements and methods of tests
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Atomic power station technological processes control system equipment. Evaluation methods of meeting durability, endurance and resistance requirements for highest influential factors
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Electrostatics. Part 1. Electrostatic phenomena. Principles and measurements
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A. c. high-voltage circuit-breakers rated voltages 6-220 kV for frequent switching operations. General specifications
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Wires with PVC-insulation for electrical equipment. Specifications
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