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Research Institute of Civil Air Fleet in Moscow
USSR. Moscow. December 14, 1964. The power drive of a drilling rig, developed at the State Research Institute of Civil Air Fleet based on the old AI-20 turboprop engine. Sergei Preobrazhensky/TASS
| Location: | USSR, Moscow |
| Photo: | №151852 |
| Date of shooting: | 12.14.1964 |
| Authors: | |