Microbiology of food and animal feeding stuffs - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions— 10 стр.
Microbiology of food and animal feeding stuffs - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions (ISO 6887-1:1999)
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent; German and English version FprEN 12566-6:2015— 53 стр.
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent; German version EN 12566-6:2013— 43 стр.
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent; German version EN 12566-6:2016— 53 стр.