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????

?? 3??? ????? ??? ??? ??.

?? ???? ????? ??? ??? ??? ????: ????, ?? ??, ?? ??.

RO-ASRO, ????

• STAS 11094-1978 ?????(?? ?? ???) ??

Taiwan Provincial Standard of the People's Republic of China, ????

• CNS 1628-1964 ?? ??(??????)(????, ???)

Association Francaise de Normalisation, ????

• NF S94-066:1998 ??? ????? ?? - ????? ?? ??? ?? ??? ??

??:   ????, ???? ??, ???? ??, ????, ???? ??, ???????, ??? ????, ???? ???, ???? ??, ?????????, ???? ??, ??? ????, ???? ???, ?????, ????????, ???? 16, ??? ????, ???? ??.