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Single crystals of cubic boron nitride
USSR. Leningrad. December 13, 1965. Single crystals of cubic boron nitride (CBN), a new super-strong material obtained at the All-Union Research Institute of Abrasives and Grinding, magnified. Maxim Blokhin/TASS
| Location: | USSR, Leningrad |
| Photo: | №151530 |
| Date of shooting: | 12.13.1965 |
| Authors: | |