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Patents
containing
technical and economic
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Russian
national system of scientific and technical information
национальная система научно-технической информации
patent and technical documentation
патентно техническая документация
scientific and technical library
научно-техническая библиотека
scientific and technical literature
научно-техническая литература
technical and economic
efficiency of invention
технико-экономическая эффективность изобретения
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