Swivel arm mortise hinge (3)

Abstract

1. The name of the design product: the rotating arm concealed hinge (3). 2. The use of the design product: for the security door product. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: the design 1 perspective view. 5. The design 1 is specified as the basic design. 6. Other circumstances that need to be explained: each view is the view of the hinge opening 180 degrees.

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