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Original standard BS EN 61249-4-17-2009 in PDF full version. Additional info + preview on request

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Materials for printed boards and other interconnecting structures - Sectional specification set for prepreg materials, unclad. Multifunctional expoxide woven E-glass prepeg of defined flammability. Original standard BS EN 61249-4-2-2005 in PDF full version. Additional info + preview on request

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Materials for printed boards and other interconnecting structures - Sectional specification set for prepreg materials, unclad Polymide, modified or unmodified, woven E-glass prepeg of defined flammability. Original standard BS EN 61249-4-5-2005 in PDF full version. Additional info + preview on request

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Electrical insulating materials and systems. A.C. voltage endurance evaluation. Original standard BS EN 61251-2016 in PDF full version. Additional info + preview on request

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Electroacoustics. Specifications for personal sound exposure meters. Original standard BS EN 61252-1997 + A2-2017 in PDF full version. Additional info + preview on request

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Household electric heating pads. Methods for measuring performance. Original standard BS EN 61255-2014 in PDF full version. Additional info + preview on request

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