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Aerospace series. Flange couplings. Gasket seal with fluorocarbon seal on aluminium plate with 3 fastening holes. Inch series. Original standard UNE-EN 4809-2017 in PDF full version. Additional info + preview on request

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Aerospace series. Flange couplings. Gasket seal with fluorocarbon seal on aluminium plate with 4 fastening holes. Inch series. Original standard UNE-EN 4811-2017 in PDF full version. Additional info + preview on request

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Aerospace series. Flange couplings. Gasket seal with nickel alloy C seal on heat resisting steel plate with 4 fastening holes. Inch series. Original standard UNE-EN 4812-2017 in PDF full version. Additional info + preview on request

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Aerospace series. Flange couplings. Gasket seal with nickel alloy C seal. Technical specification. Inch series. Original standard UNE-EN 4816-2017 in PDF full version. Additional info + preview on request

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Home and Building Electronic Systems (HBES) - Secure Application Layer, Secure Service, Secure configuration and security Resources. Original standard UNE-EN 50090-3-4-2017 in PDF full version. Additional info + preview on request

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Product standard to demonstrate the compliance of base station equipment with radiofrequency electromagnetic field exposure limits (110 MHz - 100 GHz), when put into service. Original standard UNE-EN 50401-2017 in PDF full version. Additional info + preview on request

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