1. Patent Description: It is a clear and complete introduction to the structure, technical points and uses of the invention or utility model, which should include technical fields, background technology, invention contents, illustrations, specific implementation methods and other items. This is a patent document.
2. Patent classification table: it is a tool to unify the classification of patent documents in various countries. Its basic purpose is to serve as an effective retrieval tool for patent offices and other users to retrieve patent documents when determining the novelty and creativity of patent applications.