NS-EN ISO 6887-4:2017
食物鏈微生物學 用于微生物檢查的測試樣品、初始懸浮液和十進制稀釋液的制備 第4部分:雜項產品制備的具體規則(ISO 6887-4:2017 更正版本 2021-03)
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, Corrected version 2021-03)