Mining speakers (intrinsically safe)
CN309491678SActive Publication Date: 2025-09-12JINAN JIANLIANG INTELLIGENT TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202530021572.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2040-01-14
Smart Images
Figure 000004_ABST
Abstract
1. The name of this design product: Mining Speaker (Intrinsically Safe). 2. Purpose of this product: In case of emergency, the dispatch room can issue instructions at any time to notify underground personnel to evacuate safely and orderly, and can also conduct video intercom with the dispatch room. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: main view.
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