Intrinsically safe combined amplified emergency stop telephone
CN309519172SActive Publication Date: 2025-09-26TIANAN LIANKONG TECH CO LTD
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Patent Information
- Application Number
- CN202530025106.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2040-01-15
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: Intrinsically safe combined amplified emergency stop telephone. 2. Purpose of this design product: Amplified telephone used for communication control in coal mines. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
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