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DE?? ??? ??
?? 15??? ?? ??? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ??? ????: ?? ??, ?? ??, ????, ????.
Professional Standard - Chemical Industry, ?? ??? ??
Korean Agency for Technology and Standards (KATS), ?? ??? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??? ??
Japanese Industrial Standards Committee (JISC), ?? ??? ??
Indonesia Standards, ?? ??? ??
Taiwan Provincial Standard of the People's Republic of China, ?? ??? ??
KR-KS, ?? ??? ??