Coal mine broadcasting communication device

CN309942859SActive Publication Date: 2026-04-24CITIC HIC KAICHENG INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202530479785.4
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-04-24
Estimated Expiration
2040-08-14

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Abstract

1. Name of the product in this design: Coal Mine Broadcasting and Communication Device. 2. Application of this design: This design is intended for use in underground broadcasting and communication equipment in coal mines. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.
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