1. Official website, China National Intellectual Property Administration. After registering in official website, China National Intellectual Property Administration, the inquiry is made according to the following steps: enter the patent search and inquiry column; Choose China patent inquiry system; Click Advanced Query, then enter information such as patent name and applicant, and finally click Query.
2. Academy of Military Sciences (Military University) official website. These units have special query systems in official website, and users can query by inputting keywords.
3. Science and technology information resource platform. This platform is an open online resource platform, which includes patent query function, and users can query through this platform.
The above methods of inquiring about national defense patents are for reference only. Please refer to the latest official regulations for specific inquiry methods.