DIN EN ISO 6887-6:2013 食品和动物饲料的微生物学. 微生物学检查用试验样品, 初始悬浮和十倍稀释的制备. 第6部分: 初始生产阶段样品制备特殊规则(ISO 6887-6-2013); 德文版本EN ISO 6887-6-2013
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 (ISO 6887-6:2013); G