DIN EN ISO 6887-4 E:2014-01
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(草案)
Food chain microbiology Preparation of test samples, initial suspensions and decimal dilutions for microbial examination Part 4: Specific rules for the preparation of miscellaneous products (draft)