Double control device for air door (FMQD1200-Q)
CN309860561SActive Publication Date: 2026-03-20TIANJIN TONGYI INSTR TECH DEV CO LTD +1
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-13
- Publication Date
- 2026-03-20
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Figure 000001_ABST
Abstract
1. The name of the design product: double control device of air door (FMQD1200-Q). 2. The use of the design product: for the adjustment and control of the air door of the main ventilation machine on the ground of coal mine. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: front view.
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