QPL TT C 490-2014 标准详情
- 标准号：QPL TT C 490-2014
- 中文标题：
- 英文标题：Qualified Products List Of Products Qualified Under Federal Specification - Tt-C-490 - Chemical Conversion Coatings And Pretreatments For Metallic Substrates (Base For Organic Coatings)
- 标准类别：美国军标合格产品目录QPL
- 发布日期：
