ASTM A490M-09a Standard Specification for High-Strength Steel Bolts, Classes

  leunghb ·  2010-01-08 11:17  ·  45492 次点击
ASTMA490M-09aStandardSpecificationforHigh-StrengthSteelBolts,Classes10.9and10.9.3,forStructuralSteelJoints(Metric)
[attach]39861[/attach]

0 条回复

暂无讨论,说说你的看法吧!

 回复

你需要  登录  或  注册  后参与讨论!