Requirements:
First of all, the layout of the chart should meet the requirements. Charts should be arranged vertically as much as possible. If the width is greater than the height and cannot be arranged within 14 cm, horizontal arrangement is allowed. At this time, the top half of the chart should be placed on the left side of the paper. If there are other charts on the same page, they should also be arranged horizontally.
Second, the map should be drawn in proportion. The dimensions shall ensure that all the details in the drawing can still be clearly identified when the drawing is reduced to 2/3 (straight line). There must be no words in the picture except some indispensable short keywords (such as water, steam, on-off and so on). ). If there are more than two attached drawings, they shall be numbered with Arabic numerals, and the number shall be preceded by the word "Figure". The lines drawn should be black, which is not easy to fade. The color should be dark enough, and coloring is not allowed, which meets the requirements of reproduction. Drawing must use drawing instruments, not blueprints.
Third, use this page as the first page of the attached drawings. If you can't write it, you can continue with white paper. Continued pages must be consistent with the size and quality of the home page and written vertically. You can only use the front, not the back. There should be a blank space around. The name of the invention or utility model is centered, and there is a blank line between the name and the text. Mail application documents shall not be folded. Leave blank on the left and right, 2.5cm on the upper left and 1.5cm on the lower right. After the application is approved, the patent right belongs to the enterprise or individual applying for it.