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?? 47??? ??? ??? ??? ??.
?? ???? ??? ??? ??? ??? ????: ?? ? ??, ??, ?? ?? ? ?? ?? ??, ?? ?? ? ?? ?? ??, ???.
Professional Standard - Agriculture, ??
Gansu Provincial Standard of the People's Republic of China, ??
Shaanxi Provincial Standard of the People's Republic of China, ??
Guangdong Provincial Standard of the People's Republic of China, ??
Professional Standard - Commodity Inspection, ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??
German Institute for Standardization, ??
Inner Mongolia Provincial Standard of the People's Republic of China, ??
Professional Standard - Hygiene , ??