QB轻工标准 QB/T 4539-2013 醇溶性、醇水溶性油墨树脂丙 烯酸酯类(含共聚改性) QB/T 4539-2013.Alcohol and alcohol-water soluble resin for printing ink Acrylic type (including modi... 12月05日QB/T 4539 阅读全文