By Admin In IEC 2022-09-14 0 IEC 61754-20 Ed. 2.0 Amd. 1 b:2022 Click here to purchase Product Details Published: 06/01/2022 ISBN(s): 9782832239537 Number of Pages: 22 File Size: 1 file , 1.1 MB Note: This product is unavailable in Ukraine, Russia, Belarus