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DE?? ??
?? 27??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ??? ?? ? ???, ?? ??, ?? ?? ??, ?? ??, ??? ? ???, ??? ???, ?? ??, ??, ?, ?? ??, ?? ?? ???, ?? ????, ???, ??????.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
Professional Standard - Building Materials, ?? ??
PL-PKN, ?? ??
RU-GOST R, ?? ??
European Committee for Standardization (CEN), ?? ??
German Institute for Standardization, ?? ??
SE-SIS, ?? ??
Professional Standard - Aviation, ?? ??
AT-ON, ?? ??
Taiwan Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Civil Aviation, ?? ??
American Society for Testing and Materials (ASTM), ?? ??
IN-BIS, ?? ??
Professional Standard - Chemical Industry, ?? ??
Korean Agency for Technology and Standards (KATS), ?? ??