DIN EN ISO 6887-5:2020 食物链微生物学 用于微生物检验的测试样品、初始悬浮液和十进制稀释液的制备 第5部分:乳和乳制品制备的特定规则(ISO 6887-5:2020)
Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 5: Specific rules for the preparation of milk and milk products (ISO 6887-5:2020)