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[国外标准] EN 45545-2-2020+A1-2023 Railway applications - Fire protection on railway vehicles Part 2: Requirements for fire behaviour of materials and components

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P:2024-11-14 15:57:04

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EN 45545-2：2020A1：2023.pdf

EN 45545-2-2020+A1-2023 Railway applications - Fire protection on railway vehicles Part 2: Requirements for fire behaviour of materials and components.pdf

surfaces of large radius of curvature - 大曲率半径曲面 （0） 投诉

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