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Update time: 2025-04-23 13:16:14

Collecting more than 140 million patent data from more than 105 countries around the world, simple and easy-to-use patent search, Chinese patent search engine, patent search, patent search, patent download, invention patent inquiry network, providing technical information and R&D decision support for China's innovative scientists, R&D personnel, legal professionals, etc., and helping Chinese users participate in global competition.

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