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Portable cassette recorder "Sputnik-405" was developed in 2 versions by the Kharkov plant "Proton" in 1984. ,86e6f450b8cc469628ba70bf2947b049No tape recorders were produced. ,86e6f450b8cc469628ba70bf2947b049Since 1987, on the basis of developments, the production of the models "Proton M-411" and "Proton M-412" began.,86e6f450b8cc469628ba70bf2947b049,null,ru,null,null,null,null