专利分类表

专利分类表专利分类表
  1. 讨论了本体与国际专利分类表的内在联系。

    Discusses the inherent relation between ontology and international patent classification .

  2. 对《国际专利分类表》第七版一些变化的研究

    Research on Some Changes of the 7 ~ ( th ) Edition of International Patent Classification