Sensitive spring testing device

CN309611124SActive Publication Date: 2025-11-18SHANGHAI KONGBO IND
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Patent Information

Application Number
CN202530168291.4
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2025-11-18
Estimated Expiration
2040-04-01

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Abstract

1. The name of the design product: sensitive spring testing device. 2. The use of the design product: test the elasticity of the spring in the mattress. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective drawing.
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