DIN EN ISO 1043-4/A1 E:2015 文件草案 塑料 符号和缩写术语 第4部分:阻燃剂 修正案 1 (ISO 1043-4:1998/DAM 1:2015)
Draft Document - Plastics - Symbols and abbreviated terms - Part 4: Flame retardants - Amendment 1 (ISO 1043-4:1998/DAM 1:2015); German and English version EN ISO 1043-4:1999/prA1:2015