Hand-cranked hose fan

Abstract

1. The name of this design product: Hand-cranked coiled tube ventilator. 2. Purpose of the product with this appearance design: The product with this appearance design is a hand-cranked coiled tube ventilator used for ventilating greenhouses. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: main view. 5. The bottom surface of this design product is a part that is not easily visible or cannot be seen when in use, so the top view is omitted.

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