What is the font size of the patent book?

Patent text: No.4 Song Ti. Patent Law Requirements: Description of Drawings: If there are drawings in the specification, give a brief description of each drawing; The size and clarity of the drawings should ensure that all the details in the drawings can still be clearly distinguished when the drawings are reduced to two thirds. Article 57 Where a patent is exploited without the permission of the patentee, that is, the patent right is infringed and a dispute arises, the parties concerned shall settle it through consultation; Unwilling to negotiate or failing to do so, the patentee or interested party may bring a suit in a people's court or request the administrative department for patent affairs to handle it.