zzcnhic 发表于 2017-6-22 19:57:59

ASTM G29 − 96 (Reapproved 2010)

ASTM G29 − 96 (Reapproved 2010)
Standard Practice for
Determining Algal Resistance of Plastic Films

admin 发表于 2017-6-24 22:49:59

谢谢您的分享,金币已奖励!
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