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Aerospace series. Flammability of non-metallic materials - Small burner test, horizontal. Determination of the horizontal flame propagation. Original standard UNE-EN 3844-2-2019 in PDF full version. Additional info + preview on request

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Aerospace series. Flammability of non-metallic materials - Small burner test, 45°. Determination of the resistance of material to flame and glow propagation and to flame penetration. Original standard UNE-EN 3844-3-2019 in PDF full version. Additional info + preview on request

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Aerospace series. Connectors, electrical, rectangular, modular. Operating temperature 175 °C continuous. Insertion/extraction tool for removal of modules. Product standard. Original standard UNE-EN 4165-022-2019 in PDF full version. Additional info + preview on request

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Trustworthy Systems Supporting Server Signing - General System Security Requirements. Original standard UNE-EN 419241-1-2018 in PDF full version. Additional info + preview on request

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Aerospace series. Aluminium and aluminium- and magnesium- alloys. Technical specification. Aluminium alloy forging stock. Original standard UNE-EN 4400-6-2019 in PDF full version. Additional info + preview on request

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Aerospace series. Elements of electrical and optical connection. Sealing plugs. Index of product standards. Original standard UNE-EN 4529-002-2019 in PDF full version. Additional info + preview on request

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