zzcnhic 发表于 2017-7-8 00:37:35

ASTM G179 − 04 (Reapproved 2011)

ASTM G179 − 04 (Reapproved 2011)
Standard Specification for
Metal Black Panel and White Panel Temperature Devices for
Natural Weathering Tests

admin 发表于 2017-7-9 14:17:38

谢谢您的分享,金币已奖励!
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