ygs67 发表于 2015-8-27 20:38:20

ASTM D 985 – 97 R02

ASTM D 985 – 97 R02 Standard Test Method for Brightness of Pulp, Paper, and Paperboard (Directional Reflectance at 457 nm)

admin 发表于 2015-8-31 10:31:55

谢谢您的分享,金币已奖励!
页: [1]
查看完整版本: ASTM D 985 – 97 R02