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Non-cellulosic papers for electrical purposes. Specifications for individual materials - Filled glass paper. Original standard BS EN 60819-3-1-2001 in PDF full version. Additional info + preview on request

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Non-cellulosic papers for electrical purposes. Specifications for individual materials - Hybrid inorganic-organic paper. Original standard BS EN 60819-3-2-2002 in PDF full version. Additional info + preview on request

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Non-cellulosic papers for electrical purposes - Specifications for individual materials. Sheet 3: Unifilled aramid (aromatic polyamide) papers. Original standard BS EN 60819-3-3-2011 in PDF full version. Additional info + preview on request

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Non-cellulosic papers for electrical purposes - Specifications for individual materials. Sheet 4: Aramid fibre paper containing not more than 50 % of mica particles. Original standard BS EN 60819-3-4-2014 in PDF full version. Additional info + preview on request

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Safety of laser products - Equipment classification and requirements. Original standard BS EN 60825-1-2014 + A11-2021 (2022) in PDF full version. Additional info + preview on request

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Safety of laser products - Safety of optical fibre communication systems (OFCS). Original standard BS EN 60825-2-2004 + A2-2010 in PDF full version. Additional info + preview on request

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