Train air test recording device

CN309784182SActive Publication Date: 2026-02-10SHANGHAI HUICHE RAIL TRANSIT CO LTD
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Patent Information

Application Number
CN202530367592.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-06-25
Publication Date
2026-02-10
Estimated Expiration
2040-06-25

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Abstract

1. Name of the product in this design: Train air test recording device. 2. Purpose of this design: To connect to the air duct at the rear of the train and record the train's air pressure variation curve. 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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