ygs67 发表于 2016-2-23 11:52:19

ASTM D4364-13

ASTM D4364-13 Standard Practice for Performing Outdoor Accelerated Weathering Tests of Plastics Using Concentrated Sunlight

admin 发表于 2016-2-23 16:35:10

谢谢您的分享,金币已奖励!
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