What is included in the patent application documents?

the first paragraph of article 26 of China's patent law stipulates that an applicant for an invention or utility model shall submit a request, a specification, its abstract, a patent claim and other documents. To put it simply, a patent application document is a technical document submitted by the applicant when applying for a patent, which explains the application content and requests a specific range of patent protection, including three parts: specification, claim and abstract. In order to make it easier for the public to understand the contents of the invention more clearly, the description of the application for a patent for invention can be supplemented with drawings; In the specification of the application for a patent for utility model, the appended drawings must be supplemented, and the appended drawings shall be explained in the specification.