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DE?? ?????
?? 11??? ?? ?????? ??? ??? ??.
?? ???? ?? ?????? ??? ??? ??? ????: ????, ?? ??? ? ??? ???? ??.
German Institute for Standardization, ?? ?????
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ?????
Professional Standard - Agriculture, ?? ?????
Association of Official Analytical Chemists (AOAC), ?? ?????
RU-GOST R, ?? ?????
Professional Standard - Commodity Inspection, ?? ?????