By Admin In IEC 2022-05-04 0 IEC 62271-1 Amd. 1 Ed. 2.0 b:2021 Click here to purchase Product Details Edition: 2.0 Published: 10/01/2021 ISBN(s): 9782832210345 Number of Pages: 12 File Size: 1 file , 860 KB Note: This product is unavailable in Belarus, Russia, Ukraine