DIN EN 15416-4 E:2015 文件草案 除酚醛和氨基塑料以外的用于承重木结构的粘合剂 测试方法 第4部分：参考条件下开放组装时间的测定
Draft Document - Adhesives for load bearing timber structures other than phenolic and aminoplastic - Test methods - Part 4: Determination of open assembly time under referenced conditions; German and English version prEN 15416-4:2015