ygs67 发表于 2016-3-23 10:30:46

ASTM C949-80(2012)

ASTM C949-80(2012) Standard Test Method for Porosity in Vitreous Whitewares by Dye Penetration

admin 发表于 2016-3-24 15:56:02

谢谢您的分享，金币已奖励！
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查看完整版本: ASTM C949-80(2012)