Down-the-hole drill rig
CN309443314SActive Publication Date: 2025-08-15CHANGSHA HEIJINGANG IND CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202430827952.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2039-12-26
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: down-the-hole drill. 2. Application of this product design: used for drilling operations before underground mines and engineering blasting. 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.
Need to check novelty before this filing date? Find Prior Art