BH GSO ISO 6887-6:2017 食品和动物饲料微生物学微生物检验用试验样品、初始悬浮液和十进制稀释液的制备 第6部分：初级生产阶段样品制备的具体规则
Microbiology of food and animal feed -- Preparation of test samples, initial suspension and decimal dilutions for microbiological examination -- Part 6: Specific rules for the preparation of samples taken at the primary production stage