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利索能及-Free patent search, patent retrieval, patent analysis-National invention patent search and analysis platform

offering patent analysis, patent search, patent retrieval and other data service functions. It can conveniently search and retrieve related patent documents by patent number or application number and can download patents. The patent retrieval system is a system for searching and retrieving invention patents, utility model patents, and appearance patents in China and globally. It is dedicated to the organic combination of intellectual property data, machine deep learning, and internet intelligent technology, providing customers with precise intellectual property data analysis and a full range of intellectual property patent data services.