• 本文检索体系检索范围、报道形式检索字段、检索及显示结果等五个方面,对欧洲专利网站检索特点了深入的解剖。

    This paper makes an analysis of the features of accessing the EPO (European Patent Of- rice) website with its system, category, pattern, sub-field retrieval, Boolean operators discussed.

    youdao

  • 本文检索体系检索范围、报道形式检索字段、检索及显示结果等五个方面,对欧洲专利网站检索特点了深入的解剖。

    This paper makes an analysis of the features of accessing the EPO (European Patent Of- rice) website with its system, category, pattern, sub-field retrieval, Boolean operators discussed.

    youdao

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