liuxilin1215 发表于 2018-2-7 15:49:20

ASTM D4671-16 Standard Test Method for Polyurethane Raw Materials: Determination

ASTM D4671-16 Standard Test Method for Polyurethane Raw Materials: Determination of Unsaturation of Polyols


admin 发表于 2018-2-8 20:42:53

谢谢您的分享，金币已奖励!
页: [1]
查看完整版本: ASTM D4671-16 Standard Test Method for Polyurethane Raw Materials: Determination