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?? 12??? ????????? ??? ??? ??.
?? ???? ????????? ??? ??? ??? ????: ????, ????, ??? ? ?? ??, ????, ?? ??.
Group Standards of the People's Republic of China, ????????
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ????????
Japanese Industrial Standards Committee (JISC), ????????
IN-BIS, ????????
Professional Standard - Chemical Industry, ????????