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?? 13??? ????? ??? ??? ??.
?? ???? ????? ??? ??? ??? ????: ??? ? ???, ??, ?? ? ?? ??.
American National Standards Institute (ANSI), ????
RU-GOST R, ????
Professional Standard - Chemical Industry, ????
CZ-CSN, ????
IX-ICAO, ????
- ICAO 9574-2012 FL 290? FL 410(??) ??? ?? ?? ??? 300m(1000??)???. ?? ???
SE-SIS, ????
National Metrological Verification Regulations of the People's Republic of China, ????
German Institute for Standardization, ????
US-GSA, ????