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Electrical apparatus for use in the presence of combustible dust. Part 11. Protection by intrinsic safety 'iD'
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Varnished cloth. Methods for accelerated determination of thermal endurance
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Water chemistry of nuclear power plants with high power boiling water reactors. Quality codes for water coolant of primary and control and safety system circuits and means of their realization
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Electric generating sets with internal combustion engines. Terms and definitions
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Test methods for evaluating resistance to tracking and erosion of electrical insulating materials used under severe ambient conditions
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