Lifting device for installing extra heavy double doors

Abstract

1. The name of this design product: a hanger for installing an overweight double-opening door. 2. Purpose of this product with design: This product with design is used for hoisting door leaves with drainage edge structure above super-heavy doors to avoid damage to the drainage edge caused by direct hoisting. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. Other situations that need explanation: The product of this design is an item of indefinite length, and its length is omitted.

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