

Bead polystyrene shaped as granules used of polymer expansion.
- Categories: Science & Technology
- Location: Russia
- Event date: 10.11.1964
- Date published: 21.10.2019
- Author: Anatoly Sergeev-Vasiliev
- Credit: Sputnik
- Original: A185664a, 35 mm film
- Media: JPEG, 4180x3543px, 4.4Mb