BS ISO 21528-1:2004 食品和動物飼料的微生物學(xué).腸桿菌科的檢測和計數(shù)的水平方法.帶預(yù)濃縮的MPN技術(shù)的檢測和計數(shù)
Microbiology of food and animal feeding stuffs - Horizontal methods for the detection and enumeration of Enterobacteriaceae - Detection and enumeration by MPN technique with pre-enrichment