Ivan Perfilyev
Group: Admin
Joined: 2024/11/21
Title: New Member Admin
| ASTM A20/A20M - 2015 | 7 years ago | |
| API RP 574 - 2016 | 8 years ago | |
| Welding positions according to ISO 6947 | 8 years ago |
Forum Statistics
13
Forums
91 K
Topics
91.2 K
Posts
1
Online
23.3 K
Members
Working