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标题: ASTM D8019-15 [打印本页]

作者: ygs67 时间: 2017-12-30 12:07:00 标题: ASTM D8019-15

ASTM D8019-15 Standard Test Methods for Determining the Full Section Flexural Modulus and Bending Strength of Fiber Reinforced Polymer Crossarms Assembled with Center Mount Brackets1

作者: admin 时间: 2018-1-3 11:18:06

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