摘要
专利文献是一种重要的科技信息资源。随着因特网的迅猛发展,网络上的免费专利数据库日益丰富,通过因特网检索专利信息已经成为获取专利文献的主要手段。从数据库的内容、检索界面、检索方法等方面,介绍Internet几个主要的免费专利数据库的检索和使用方法。
Patent documents are important information resources of science and technology. As the Intemet is developing very fast, the free patent databases on the Intemet are growing abundant increasingly, and searching the patent information on the Interact has already become the main means to obtain patent documents. This article introduces the several main free patent databases on the Interact and their retrieval and utilization from aspects of the databases contents, search interface and search method, etc.
出处
《昆明理工大学学报（社会科学版）》
2009年第8期104-108,共5页
Journal of Kunming University of Science and Technology(Social Sciences)
