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?? 32??? ????? ??? ??? ??.
?? ???? ????? ??? ??? ??? ????: ?? ??, ?? ??, ????, ????, ????.
Taiwan Provincial Standard of the People's Republic of China, ????
American Society for Testing and Materials (ASTM), ????
Association Francaise de Normalisation, ????
PL-PKN, ????
Spanish Association for Standardization (UNE), ????
German Institute for Standardization, ????
SCC, ????
IT-UNI, ????
AT-ON, ????
Lithuanian Standards Office , ????
RU-GOST R, ????
Danish Standards Foundation, ????