Coal mine ventilation fan

CN309919613SActive Publication Date: 2026-04-14龙中明
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
龙中明
Filing Date
2025-09-26
Publication Date
2026-04-14

Smart Images

  • Figure 000007_ABST
    Figure 000007_ABST
Patent Text Reader

Abstract

1. Name of the product in this design: Coal Mine Ventilation Fan. 2. Purpose of this design: for ventilation in coal mines and chemical plants. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Need to check novelty before this filing date? Find Prior Art