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Research Institute for Industrial and Sanitary Gas Purification in Moscow
USSR. Moscow. December 1976. NIIOGAZ employee Yu. V. Kovalevsky during the preparation of a model of a cupola gas cleaning unit for testing at the Research Institute for Industrial and Sanitary Gas Cleaning. The exact date of the photo is unknown. Viktor Budan/TASS
| Location: | USSR, Moscow |
| Photo: | №114679 |
| Date of shooting: | 01.01.1000 |
| Authors: | |