ygs67 发表于 2016-2-26 10:15:04

ASTM D4528-88(2012)

ASTM D4528-88(2012) Standard Classification for Rubber Compounding Materials—Sulfur

admin 发表于 2016-2-26 15:42:00

谢谢您的分享,金币已奖励!
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查看完整版本: ASTM D4528-88(2012)