Emergency ladder maintenance
CN309116607SActive Publication Date: 2025-02-14QINGDAO RAILWAY SLEEPER BUS MFG PLANT CO LTD
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Patent Information
- Application Number
- CN202430371662.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2039-06-18
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: Maintenance emergency ladder. 2. Purpose of the product with this appearance design: This product belongs to the field of train maintenance technology and is used for emergency ladders for trench maintenance of rail passenger cars under the vehicle. 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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