Door and window lock (double-layer password key fork lock)

Abstract

1. The name of the design product: Door and window lock (double-layer password key fork lock). 2. The use of the design product: Locks for doors and windows. 3. The design key points of the design product: Lies in the shape. 4. The picture or photo that best shows the design key points: Perspective view 1. 5. Other situations that need to be explained - State change description: The lock panel can be opened.

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