herringhsu 发表于 2009-2-1 17:33:26

BS 919-1:2007 Screw gauge limits and tolerances –Part 1

BS 919-1:2007
Screw gauge limits and tolerances –
Part 1: Specification for gauges for screw threads of unified form

[ 本帖最后由 herringhsu 于 2009-2-1 18:28 编辑 ]
页: [1]
查看完整版本: BS 919-1:2007 Screw gauge limits and tolerances –Part 1