Hinge (70 degree European standard fire smoke exhaust window 2)

Abstract

1. The name of the design product: hinge (70 degrees European standard fire smoke exhaust window 2). 2. The use of the design product: installed on doors and windows. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. The top view, bottom view and other views of the design product have been embodied, and design 1-2 top view and design 1-2 bottom view are omitted. 6. Design 1 is designated as the basic design.

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