
Ground Thread Taps For Iso Metric Threads Of Tolerances 4h To 8h And 4g To 6g Coarse And Fine Pitches - Manufacturing Tolerances On The Thread Portion
出版:Italian Standards

专家解读视频
1990 [31/12/1990]
EN 22857 : 1989 - Identical
SN EN 22857 : 1990 - Identical
SN EN 22857:1990 - Identical
ISO 2857:1973 - Equivalent