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DE?? ??
?? 47??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ?? ??, ?? ?? ??? ? ?? ????, ??, ?? ?? ??, ???? ??? ??, ??? ??.
Professional Standard - Agriculture, ?? ??
Defense Logistics Agency, ?? ??
ESDU - Engineering Sciences Data Unit, ?? ??
American Society for Testing and Materials (ASTM), ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
SCC, ?? ??
CZ-CSN, ?? ??
GM Europe, ?? ??
Professional Standard - Machinery, ?? ??
United States Navy, ?? ??
Professional Standard - Aerospace, ?? ??