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Electrical penetration in containment structures for nuclear power stations
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Power supply systems, nets, sources, converters and receivers of electric energy. Rated voltages to 1000 v and tolerances
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Stationary lead-acid batteries. Part 11. Vented types. General requirements and methods of tests
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Symmetrical telecommunication cables for digital communication. General specification
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Sealed radionuclide beta-radiation sources. Methods of parameters measurement
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