欧洲专利局 欧洲专利局 - The official website of the European Patent Office EPO. Find information on applying and searching for patents, legal issues on patents, patent grants, rules and regulations about European and international patent applications. Explore engineering careers and apply for jobs in engineering.
界贸易组织(English) 界贸易组织(English) - Global trade - The World Trade Organization WTO deals with the global rules of trade between nations. Its main function is to ensure that global trade flows smoothly, predictably and freely as possible.