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International exhibition "Chemistry-70" in Moscow
September 1-10, 1970. USSR. Moscow. Visitors during the inspection of the model of the Soviet continuous oil purification unit in a moving bed of fine-grained adsorbent at the international exhibition "Chemistry-70" in the exhibition complex "Sokolniki". The exact date of the photo is not established. Sergei Preobrazhensky, Valentin Cheredintsev/TASS
| Location: | USSR, Moscow |
| Photo: | №150774 |
| Date of shooting: | |
| Authors: | Preobrazhensky Sergey Cheredintsev Valentin |