ygs67 发表于 2016-2-24 14:00:07

ASTM D5207-14

ASTM D5207-14 Standard Practice for Confirmation of 20–mm (50–W) and 125–mm (500–W) Test Flames for Small-Scale Burning Tests on Plastic Materials

admin 发表于 2016-2-25 16:05:25

谢谢您的分享,金币已奖励!
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