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DE?? ?? ???? GC
?? 41??? ?? ?? ???? GC? ??? ??? ??.
?? ???? ?? ?? ???? GC? ??? ??? ??? ????: ???, ????, ??, ????, ???? ??, ?? ??, ?? ??.
Association Francaise de Normalisation, ?? ?? ???? GC
GSO, ?? ?? ???? GC
Danish Standards Foundation, ?? ?? ???? GC
SCC, ?? ?? ???? GC
German Institute for Standardization, ?? ?? ???? GC
International Organization for Standardization (ISO), ?? ?? ???? GC
European Committee for Standardization (CEN), ?? ?? ???? GC
API - American Petroleum Institute, ?? ?? ???? GC
Universal Oil Products Company?(UOP), ?? ?? ???? GC
Professional Standard - Environmental Protection, ?? ?? ???? GC
- HJ 1021-2019 ?? ???????? ?? ?? ? ??? ? ?? ????(C10-C40) ??
- HJ 1020-2019 ?? ? ?? ?? ???????? ?? ?? ? ??? ? ?? ????(C6-C9) ??
British Standards Institution (BSI), ?? ?? ???? GC
American Society for Testing and Materials (ASTM), ?? ?? ???? GC
Korean Agency for Technology and Standards (KATS), ?? ?? ???? GC
KR-KS, ?? ?? ???? GC
Group Standards of the People's Republic of China, ?? ?? ???? GC