Russian standards

Electromagnetic compatibility of technical means. HUF electrovacuum equipment. Generators, amplifiers and modules on their basis. Requirements for side oscillations levels

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Optical fibres. Part 1-43. Measurement methods and test procedures. Numerical aperture

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Image intensifier and image converter tubes. Method of measuring the angular displacement of the image

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Objective lenses. Methods of measuring the flange focal and back focus distances

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Image intensifier and image converter tubes. Common rules of measuring electrical, viewing and optical parameters

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Information technology. Learning, education and training. Metadata for learning resources. Part 2. Dublin Core elements

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