Electrical insulation systems of electrical equipment. Evaluation and classification
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Rolling bearings. Taper bearing unit for rolling stock axle boxes. Specification. With Amendment No. 1
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Laser safety. General requirements for development and operation the laser products
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Functional safety of electrical, electronic, programmable electronic safety-related systems. Part 4. Terms and definitions
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General purpose oil-immersed power transformers. Permissible loads
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