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Radiation protection instrumentation. Radon and radon decay product measuring instruments - Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR). Original standard UNE-EN 61577-4-2014 in PDF full version. Additional info + preview on request

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Methods of measurement for waveguides - Part 2- Level of intermodulation products. Original standard UNE-EN 61580-2-1996 in PDF full version. Additional info + preview on request

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Methods of measurement for waveguides - Part 4- Attenuation of waveguide and waveguide assemblies. Original standard UNE-EN 61580-4-1998 in PDF full version. Additional info + preview on request

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Methods of measurement for waveguides - Part 7- Graphical method for the determination of waveguide performance. Original standard UNE-EN 61580-7-1996 in PDF full version. Additional info + preview on request

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Methods of measurement for waveguides - Part 8- Waveguide power holding capability. Original standard UNE-EN 61580-8-1996 in PDF full version. Additional info + preview on request

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Mechanical structures for electronic equipment. Tests for IEC 60917 and IEC 60297 - Electromagnetic shielding performance tests for cabinets and subracks. Original standard UNE-EN 61587-3-2013 in PDF full version. Additional info + preview on request

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