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Solar cells. Datasheet information and product data for crystalline silicon solar cells. Original standard UNE-EN 50461-2007 in PDF full version. Additional info + preview on request

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Railway applications - Energy measurement on board trains - Part 1- General. Original standard UNE-EN 50463-1-2018 in PDF full version. Additional info + preview on request

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Gas appliances. Combined heat and power appliance of nominal heat input inferior or equal to 70 kW. Original standard UNE-EN 50465-2015 in PDF full version. Additional info + preview on request

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Amendment 1 - Gas appliances. Combined heat and power appliance of nominal heat input inferior or equal to 70 kW. Original standard UNE-EN 50465-2015 A1-2019 in PDF full version. Additional info + preview on request

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Basic standard for the calculation and the measurement of human exposure to electromagnetic fields from broadcasting service transmitters in the HF bands (3 MHz - 30 MHz). Original standard UNE-EN 50475-2008 in PDF full version. Additional info + preview on request

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Amendment 1 - Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 2- Environmental conditions. Original standard UNE-EN 50491-2-2011 A1-2015 in PDF full version. Additional info + preview on request

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