cold bending machine

CN309754655SActive Publication Date: 2026-01-272ND ENG CO LTD OF CHINA RAILWAY 12TH BUREAU GRP +2
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Patent Information

Application Number
CN202530113190.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-27
Estimated Expiration
2040-03-11

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Abstract

1. Name of the product in this design: Cold Bending Machine. 2. Application of this design: for cold bending of steel arch frames in tunnels. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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