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DE????? ??
?? 12??? ????? ??? ??? ??? ??.
?? ???? ????? ??? ??? ??? ??? ????: ??? ? ? ?? ?? ??, ?? ??, ??? ??, ????, ?? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ????? ??
Professional Standard - Petrochemical Industry, ????? ??
SCC, ????? ??
RO-ASRO, ????? ??
工業(yè)和信息化部, ????? ??
IN-BIS, ????? ??
American Society for Testing and Materials (ASTM), ????? ??
CZ-CSN, ????? ??
Japanese Industrial Standards Committee (JISC), ????? ??