Wear a mask (to protect against coal mine dust)
CN309175299SActive Publication Date: 2025-03-14苏正凯
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Patent Information
- Application Number
- CN202430344166.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2039-06-06
Smart Images
Figure 000001_ABST
Abstract
1. The name of the product of this design: Head mask (for protection against coal mine dust). 2. Purpose of this design product: This design product is used as a head-mounted mask for preventing coal mine dust. 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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