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DE??? ????? ??????
?? 43??? ??? ????? ??????? ??? ??? ??.
?? ???? ??? ????? ??????? ??? ??? ??? ????: ???, ????, ??? ?? ??, ??? ? ???, ?? ??? ?? ? ????, ?? ??, ?? ??, ???, ???, ???.
GSO, ??? ????? ??????
Korean Agency for Technology and Standards (KATS), ??? ????? ??????
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ??? ????? ??????
SCC, ??? ????? ??????
German Institute for Standardization, ??? ????? ??????
CH-SNV, ??? ????? ??????
National Metrological Verification Regulations of the People's Republic of China, ??? ????? ??????
RU-GOST R, ??? ????? ??????
British Standards Institution (BSI), ??? ????? ??????
Association Francaise de Normalisation, ??? ????? ??????
American Welding Society (AWS), ??? ????? ??????
International Organization for Standardization (ISO), ??? ????? ??????
IET - Institution of Engineering and Technology, ??? ????? ??????
WRC - Welding Research Council, ??? ????? ??????
Society of Automotive Engineers (SAE), ??? ????? ??????
SAE - SAE International, ??? ????? ??????
Group Standards of the People's Republic of China, ??? ????? ??????
GM Holden Ltd, ??? ????? ??????