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DE?? ????
?? 31??? ?? ????? ??? ??? ??.
?? ???? ?? ????? ??? ??? ??? ????: ?? ? ??, ??, ???, ???, ???, ?? ? ?? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ????
Group Standards of the People's Republic of China, ?? ????
Professional Standard - Environmental Protection, ?? ????
Beijing Provincial Standard of the People's Republic of China, ?? ????
KR-KS, ?? ????
International Organization for Standardization (ISO), ?? ????
Fujian Provincial Standard of the People's Republic of China, ?? ????
Professional Standard - Commodity Inspection, ?? ????
SCC, ?? ????
German Institute for Standardization, ?? ????
European Committee for Standardization (CEN), ?? ????
British Standards Institution (BSI), ?? ????
Hebei Provincial Standard of the People's Republic of China, ?? ????
ES-UNE, ?? ????
Hubei Provincial Standard of the People's Republic of China, ?? ????
Association Francaise de Normalisation, ?? ????
Jiangsu Provincial Standard of the People's Republic of China, ?? ????