Espacenet patent search
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延伸文章資訊
- 1Espacenet: patent database with over 120 million documents
- 2Welcome to EPO online services
A quick and secure way to file patent applications online with the European Patent Office. Online...
- 3European Patent Register - WIPO Inspire
This free online web application allows users to find all the publicly accessible documents from ...
- 4Search for patents - European Union
Find patents on the European Patent Office. Consult the online directory of patent information ce...
- 5Why researchers should care about patents
Patents contain detailed technical information which ... There are good reasons to search patent ...