What does the specification of an application for a patent for invention or utility model require?

Paragraph 3 of Article 26 of the Patent Law of People's Republic of China (PRC) stipulates that the description shall give a clear and complete description of the invention or utility model, which shall be subject to the realization of technicians in their technical fields; Attached drawings shall be attached when necessary. The technical points of the utility model should be briefly explained. This clause stipulates that when applying for a patent for invention or utility model, in order to accurately express the contents of the specification, it should be stipulated in the attached drawings when necessary. If there are drawings in the manual, they should be made as follows: 1. You can draw several drawings of inventions and utility models on a piece of paper, and the serial numbers of figure 1 and figure 2 ... can be marked accurately; Second, the size and clarity of the drawings. If the figure is reduced to two-thirds of the original size, all the details in the figure can be clearly distinguished; Third, the attached drawings may not appear. Reference marks not mentioned in the description of the invention or utility model shall not appear in the drawings, and reference marks not appearing in the drawings shall not appear in the text of the description; 4. The reference symbols indicating the same part in the application documents shall be consistent; Five, the appended drawings in addition to the necessary text, should not contain other comments.