标题: ISO 7721-2-1990 Countersunk flat head screws - Part 2-Penetration [打印本页] 作者: nbjwbzj 时间: 2013-5-30 10:03:23 标题: ISO 7721-2-1990 Countersunk flat head screws - Part 2:Penetration
ISO 7721-2-1990 Countersunk flat head screws - Part 2:Penetration depth of cross recesses
下载地址:[attach]9822[/attach]作者: admin 时间: 2013-5-30 12:18:26