DIN EN ISO 6887-4:2017
食物鏈微生物學 用于微生物檢驗的測試樣品、初始懸浮液和十進制稀釋液的制備 第4部分:雜項產品制備的特定規則(ISO 6887-4:2017);德文版 EN ISO 6887-4:2
Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 4: Specific rules for the preparation of miscellaneous products (ISO 6887-4:2017); German version EN ISO 6887-4:2