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Translated from Meditsinskaya Tekhnika, No. 5, pp. 60–61, September–October, 1971.
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Novikova, E.P., Petrovskaya, R.M. A mechanically operated protective door. Biomed Eng 5, 324 (1971). https://doi.org/10.1007/BF00556664
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DOI: https://doi.org/10.1007/BF00556664