exhaust passage (universal joint)

Abstract

1. Name of the designed product: exhaust (universal adjustment). 2. Use of the designed product: the designed product is used for the exhaust of kitchen and bathroom in buildings. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other components that need to be explained: design 1 combination state diagram contains two design 1 components 1; design 2 combination state diagram contains two design 2 components 1.

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