NF F54-010-1980 Fixed railway installations Small multi-purpose posts in reinforced concrete 《铁路固定装置 多用途的钢筋混凝土小型标桩》.pdf

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JIS G3117-1987 钢筋混凝土用再轧钢棒.pdf

JIS A5409-2008 预制钢筋混凝土围墙构件(修改件1).pdf

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