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标题: ASTM D245–2000 R02 [打印本页]

作者: ygs67 时间: 2015-6-10 16:30:28 标题: ASTM D245–2000 R02

[attach]73491[/attach] Standard Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber

作者: admin 时间: 2015-6-10 17:21:02

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