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Printed board assemblies - Sectional specification. Requirements for through-hole mount soldered assemblies. Original standard UNE-EN 61191-3-2017 in PDF full version. Additional info + preview on request

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Printed board assemblies - Sectional specification. Requirements for terminal soldered assemblies. Original standard UNE-EN 61191-4-2017 in PDF full version. Additional info + preview on request

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Fibre optic interconnecting devices and passive components. Fibre optic isolators - Generic specification. Original standard UNE-EN 61202-1-2017 in PDF full version. Additional info + preview on request

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Aerospace series. Blind bolt, 100° flush head, high strength. Original standard UNE-EN 6128-2017 in PDF full version. Additional info + preview on request

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Fibre optic communication subsystem test procedures - Cable plants and links. Polarization mode dispersion measurement for installed links. Original standard UNE-EN 61280-4-4-2017 in PDF full version. Additional info + preview on request

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Optical amplifiers. Test methods - Gain transient parameters. Two-wavelength method. Original standard UNE-EN 61290-4-1-2016 in PDF full version. Additional info + preview on request

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