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19048847 · PORTABLE EXPERIMENTAL DEVICE FOR HAZARDOUS CHEMICAL AND EXPERIMENTAL METHOD THEREOF

Filed 2025-02-07 · Granted · Patent 12315602 (2025-05-27) The official file ↗The patent and its PDF ↗ · Art unit 2853 · Examiner Lam S Nguyen Typical · CPC G16C 20/10 · INSTITUTE OF URBAN SAFETY AND ENVIRONMENTAL SCIENCE, BEIJING ACADEMY OF SCIENCE AND TECHNOLOGY · OPENPTO US LLC

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