Butterfly valves are displayed during the Kazan Oil, Gas and Chemistry International Petrochemical Exhibition at the Kazan Expo Exhibition Centre outside Kazan, Republic of Tatarstan, Russia.
- Categories: Science & Technology, Economy, Business & Finance
- Location: Kazan, Russia
- Event date:
- Date published:
- Author: Maksim Bogodvid
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 6192x4128px, 14Mb
- Job-ID: 922433ae2d67b89