SN/T 2552.1-2018 Microbiological Examination Methods for Hygienic Microbiological Examination of Milk and Dairy Products for Export Part 1: Sampling Guidelines (English Version)
2018SN/T 2552.1-2018 Microbiological Examination Methods for Hygienic Microbiological Examination of Milk and Dairy Products for Export Part 1: Sampling Guidelines
2010SN/T 2552.1-2010 Microbiological examination method for milk and milk products hygiene.Part 1:Guidance on sampling