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Optical amplifiers. Test methods - Noise figure parameters. Signal power to total ASE power ratio. Original standard UNE-EN 61290-3-3-2014 in PDF full version. Additional info + preview on request

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Optical amplifiers. Test methods - Reflectance parameters. Optical spectrum analyzer method. Original standard UNE-EN 61290-5-1-2006 in PDF full version. Additional info + preview on request

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Optical amplifiers - Multichannel applications. Performance specification template. Original standard UNE-EN 61291-4-2012 in PDF full version. Additional info + preview on request

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Optical amplifiers - Interfaces. Command set. Original standard UNE-EN 61291-6-1-2008 in PDF full version. Additional info + preview on request

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Aerospace series. Blind bolt, protruding head, high strength, pulltype. Original standard UNE-EN 6129-2016 in PDF full version. Additional info + preview on request

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Corrigendum - Aerospace series - Blind bolt, protruding head, high strength, pulltype. Original standard UNE-EN 6129-2016 AC-2017 in PDF full version. Additional info + preview on request

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