WIPO专利简介

WIPO专利官网

简介：WIPO专利

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This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.

简介：WIPO专利

WIPO专利网址入口

https://patentscope2.wipo.int/search/zh/search.jsf

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