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DE? ?? ??
?? 28??? ? ?? ??? ??? ??? ??.
?? ???? ? ?? ??? ??? ??? ??? ????: ?? ??, ??? ??, ???? ??, ?? ??, ????, ??, ?? ?? ? ?? ?? ??, ???, ??.
American Society for Testing and Materials (ASTM), ? ?? ??
Spanish Association for Standardization (UNE), ? ?? ??
The Directorate General of Specifications and Metrology (DGSM) , ? ?? ??
GCC Standardization Organization, ? ?? ??
Swedish Institute for Standards, ? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ? ?? ??
Professional Standard - Tobacco, ? ?? ??
Professional Standard - Petroleum, ? ?? ??