Portable positive and negative pressure pump

Abstract

1. The name of the design product: portable positive and negative pressure pump. 2. The use of the design product: mainly used for providing positive pressure air source for laboratory and providing vacuum condition for evaporation, distillation, crystallization, drying, sublimation, filtration, degassing and other tests. 3. The design points of the design product: the combination of shape and color. 4. The picture or photo that best indicates the design points: perspective view. 5. The design claimed contains color.

Images