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DE?? ???
?? 30??? ?? ???? ??? ??? ??.
?? ???? ?? ???? ??? ??? ??? ????: ??? ? ?? ??, ?? ??, ???, ???, ???, ?? ??, ???? ??, ??? ?? ?? ? ??.
IT-UNI, ?? ???
Group Standards of the People's Republic of China, ?? ???
SCC, ?? ???
Japanese Industrial Standards Committee (JISC), ?? ???
International Organization for Standardization (ISO), ?? ???
CEN - European Committee for Standardization, ?? ???
CZ-CSN, ?? ???
Association Francaise de Normalisation, ?? ???
RO-ASRO, ?? ???
Hubei Provincial Standard of the People's Republic of China, ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ???
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ?? ???
TN-INNORPI, ?? ???
Professional Standard - Medicine, ?? ???
Professional Standard - Non-ferrous Metal, ?? ???
British Standards Institution (BSI), ?? ???
Korean Agency for Technology and Standards (KATS), ?? ???