ventilation ducts

DE4020252016750001SUndetermined Publication Date: 2026-01-30HANG ZHANG
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Patent Information

Application Number
DE4020252016750001
Authority / Receiving Office
DE · DE
Patent Type
Designs
Current Assignee / Owner
Filing Date
2025-07-08
Publication Date
2026-01-30
Estimated Expiration
2050-07-08

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