This paper introduces how to use the Chinese National patentinformationRetrievalSystem to seek some patentinformation, and then show you an example.
介绍了如何使用中国专利信息检索系统查找有关专利信息并给出一个实例。
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METHODS Introduce American drug patentsystem and the method of FDA informationretrieval, analyze and ravel out the problems from FDA information retrieval.