By Admin In IEC 2022-12-05 0 IEC 61951-2 Amd. 1 Ed. 4.0 b:2022 Click here to purchase Product Details Published: 10/01/2022 ISBN(s): 9782832258736 Number of Pages: 22 File Size: 1 file , 690 KB Note: This product is unavailable in Ukraine, Russia, Belarus