ISO 4951:1979被替代
High yield strength steel bars and sections
出版：International Organization for Standardization
专家解读视频
1979
NS 12502:1985 - Similar
NS 12536:1985 - Similar
NS 12542:1985 - Similar
NS 12502 : 1985 - Similar to
NFA 35 504 : 1984 - Similar to
NS 12536 : 1985 - Similar to
NS 12542 : 1985 - Similar to
NS 12542 : 1985 - Similar to
NS 12502 : 1985 - Similar to
NFA 35 504 : 1984 - Similar to
NS 12536 : 1985 - Similar to
NFA 35 504:1984 - Similar
