By Admin In IEC 2022-12-05 0 IEC 60079-5 Amd. 1 Ed. 4.0 b:2022 Click here to purchase Product Details Published: 05/01/2022 ISBN(s): 9782832256374 Number of Pages: 10 File Size: 1 file , 490 KB Note: This product is unavailable in Ukraine, Russia, Belarus