¼ÅÔµÀѳ±ì·èÍâºÇìªÑÇÃìunitedsteelpipe.com/2012/pdf/3-square/5-usp/usp...
- Home
- Documents
- ¼ÅÔµÀѳ±ì·èÍâºÇìªÑÇÃìunitedsteelpipe.com/2012/PDF/3-Square/5-USP/USP Standard.pdf · usp 1. 1. 1. 1. 1. united steel pipe co., ltd. aôa standard pipe designation
1
Upload: duongdang
Post on 25-Mar-2018
220 views