PATENTSCOPE 检索和跨语言 信息检索
作者: | 出版年份: 2013
The PATENTSCOPE search engine gives access to the patent applications filed under the Patent Cooperation Treaty (PCT) and to patent documents of participating National and Regional Patent offices. It is the most up-to-date source for PCT applications and related documents and is updated on a weekly basis. It is a FREE search system available on the internet.