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Ceramic insulators and covers for voltage over 1000 V. General specifications

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Electrical apparatus for explosive gas atmospheres. Part 3. Spark-test apparatus for intrinsically-safe circuits

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Railway traction substations, transformer substations and power supply linear devices. Safety requirements and control methods

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Current collection by electric rolling stock current collector. The nomenclature of current collection quality indicators and method of its calculation

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Radiation engineering. Radiation-ecological requirements

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Explosionproof electrical apparatus. Part 7. Type of protection e

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