企业技术创新与产业升级--技术创新模型的分析及对宝钢发展战略的启示企業技術創新與產業升級--技術創新模型的分析及對寶鋼髮展戰略的啟示 기업기술창신여산업승급--기술창신모형적분석급대보강발전전략적계시 Technological innovation and upgrading of industrial production-an analysis of technological innovation model and its revelation to Bao Steel Corp.'s strategic development
