Lifter (fire door installation)

CN309262506SActive Publication Date: 2025-04-29施红生
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Patent Information

Application Number
CN202430520229.2
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-04-29
Estimated Expiration
2039-08-16

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Abstract

1. The name of this design product: lifter (fire door installation). 2. Purpose of this design product: to raise the fire door to facilitate the installation of the door. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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