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DE?? ???
?? 29??? ?? ???? ??? ??? ??.
?? ???? ?? ???? ??? ??? ??? ????: ?? ??, ?? ??, ?? ??, ??, ????, ?? ?? ??, ?? ? ?? ??, ???, ????.
British Standards Institution (BSI), ?? ???
SCC, ?? ???
AT-ON, ?? ???
Spanish Association for Standardization (UNE), ?? ???
Korean Agency for Technology and Standards (KATS), ?? ???
TR-TSE, ?? ???
Beijing Provincial Standard of the People's Republic of China, ?? ???
Jiangsu Provincial Standard of the People's Republic of China, ?? ???
Professional Standard - Chemical Industry, ?? ???
RU-GOST R, ?? ???
Group Standards of the People's Republic of China, ?? ???
Shanghai Provincial Standard of the People's Republic of China, ?? ???
Professional Standard - Agriculture, ?? ???
BE-NBN, ?? ???
Association Francaise de Normalisation, ?? ???
International Organization for Standardization (ISO), ?? ???
- ISO 2749:1973 ??? ???? ???? ??? ??? ?? ??(100g/L)? ???? ?? ??? pH ? ??
PK-PSQCA, ?? ???
German Institute for Standardization, ?? ???
GSO, ?? ???
農(nóng)業(yè)農(nóng)村部, ?? ???