body of vacuum mercury

Abstract

1. The name of the design product: the main body of vacuum mercury. 2. The use of the design product: vacuum mercury is used as vacuum mercury, and the main body of vacuum mercury is used as the main body of vacuum mercury. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: Design 1 Solid Drawing 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the part shown by the solid line is claimed, and the part shown by the dashed line is not claimed.

Images