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Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of examination. Quality assessment for metallographic examination of welded joints and cladded surfaces
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Nuclear power plants. Instrumentation, control and electrical power systems. Requirements for static uninterruptible DC and AC power supply systems
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Refractory products with less than 45 % true porosity. Method for determination of compressive strength at room temperature. Part 2. Test with packings
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Occupational safety standards system. Respiratory protective devices. Continuous flow compressed air line breathing apparatus. Requirements, testing, marking
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