ygs67 发表于 2016-1-7 16:41:25

ASTM C1497-12

ASTM C1497-12 Standard Specification for Cellulosic Fiber Stabilized Thermal Insulation

admin 发表于 2016-1-8 16:48:40

谢谢您的分享,金币已奖励!
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查看完整版本: ASTM C1497-12