The Classifying Method of Technological Achievements in Nowadays and the Effective Scope of the National Key Technological Achievements Extension Plans

 
  • 新時(shí)期我國科技成果分類(lèi)方法與國家重點(diǎn)科技成果推廣計劃的覆蓋范圍
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目錄 附錄 查詞歷史
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