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Electromagnetic compatibility of technical means. Force electrical equipment. Limits for the low frequency periodical electromagnetic field
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Health informatics. Interoperability of telelearning systems
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Image intensifier and image converter tubes. Method of measuring the limiting resolution
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Reprography. Copyrography. Duplicating stencil and base paper for duplicating stencil. Specifications
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Low-power electronic tubes or valves. Methods of test and measurement under rectifying conditions
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