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DE???? ??? ??? ??????
?? 6??? ???? ??? ??? ??????? ??? ??? ??.
?? ???? ???? ??? ??? ??????? ??? ??? ??? ????: ?? ??? ? ??? ???? ??, ??, ?? ? ? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???? ??? ??? ??????
VN-TCVN, ???? ??? ??? ??????
Professional Standard - Grain, ???? ??? ??? ??????
Professional Standard - Agriculture, ???? ??? ??? ??????