Well lifting and leakage prevention device
CN309451236SActive Publication Date: 2025-08-19XIAN DRAINAGE GRP CO LTD
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Patent Information
- Application Number
- CN202430752041.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2039-11-27
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: Well-lifting anti-leakage device. 2. Purpose of this design product: used for inspection well operations. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
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