DIN EN ISO 6887-5 E:2018-12
食品和动物饲料的微生物学 用于微生物检验的试验样品的初始悬浮和十倍制稀释的准备 第5部分:奶和奶产品制备的特殊规则(草案)
Microbiology of food and animal feeds Preparation of initial suspensions and tenfold dilutions of test samples for microbiological examination Part 5: Special rules for the preparation of milk and milk products (draft)