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Modular order for the development of mechanical structures for electronic equipment practices. Part 1. Generic standard
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Digital broadcasting system DRM in the frequency range less than 30 MHz. Digital encoder-modulator. Basis parameters and technical requirements
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Amateur module cameras. Threaded coupling of lens camera. Basic and coupling dimensions
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Information technology. Security techniques. Application security. Part 1. Overview and concepts
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Photographic gelatine. Method of determination of transparency
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