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Google Patents is a search that enables users to search and read the full text of patent grants and applications from around the world.
Providers of information: U.S. Patent and Trademark Office, the European Patent Office, the Japan Patent Office, the State Intellectual Property Office of the People's Republic of China, the World Intellectual Property Organization (WIPO), the German Patent and Trademark Office (DPMA), the Canadian Intellectual Property Office, and more
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