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?? 18??? ????? ??? ??? ??.
?? ???? ????? ??? ??? ??? ????: ??, ?? ??, ??, ?? ??, ????, ?? ??.
國(guó)家煤礦安全監(jiān)察局, ????
Group Standards of the People's Republic of China, ????
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ????
Professional Standard - Coal, ????
Anhui Provincial Standard of the People's Republic of China, ????
RU-GOST R, ????
HU-MSZT, ????
Indonesia Standards, ????
GSO, ????
Natural Gas Processor's Association (NGPA), ????
International Organization for Standardization (ISO), ????
Korean Agency for Technology and Standards (KATS), ????