Industrial ducting keel

Abstract

1. The name of the present design product: industrial duct keel. 2. The use of the present design product: support keel of industrial duct sandwich. 3. The design points of the present design product: in shape. 4. The picture or photo that can best show the design points: design 1 perspective view. 5. The design 1 left view has been embodied in the design 1 left view enlarged view, and the design 1 left view is omitted, the design 2 left view has been embodied in the design 2 left view enlarged view, and the design 2 left view is omitted, the design 1 rear view is symmetrical with the design 1 front view, and the design 1 rear view is omitted, the design 1 right view is symmetrical with the design 1 left view, and the design 1 right view is omitted, the design 2 rear view is symmetrical with the design 2 front view, and the design 2 rear view is omitted, the design 2 right view is symmetrical with the design 2 left view, and the design 2 right view is omitted. 6. Design 1 is designated as the basic design.

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