Dust mask
CN310285431SActive Publication Date: 2026-10-27CHINA COAL TECH & ENG GRP SHANGHAI
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Patent Information
- Application Number
- CN202630126047.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-20
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2041-03-20
Smart Images
Figure 000007_ABST
Abstract
1. Name of the product in this design: Dustproof face shield. 2. Purpose of this design: For use by underground coal miners to protect against high concentrations of dust. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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