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ISO 4231:1987 EN
Hand- and machine-operated circular screwing dies for parallel pipe threads - G series
废止
发布日期 :
1987-11-12
实施日期 :
ISO 4230:1987 EN
Hand- and machine-operated circular screwing dies for taper pipe threads — R series
废止
发布日期 :
1987-11-05
实施日期 :
ISO 4231:1977 EN
Hand- and machine-operated circular screwing dies for parallel pipe threads — G series
废止
发布日期 :
1977-02-01
实施日期 :