ygs67 发表于 2016-2-23 16:54:00

ASTM D5117-09

ASTM D5117-09 Standard Test Method for Dye Penetration of Solid Fiberglass Reinforced Pultruded Stock.

admin 发表于 2016-2-25 16:02:30

谢谢您的分享,金币已奖励!
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