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19048963 · INTERNET OF THINGS (IOT) SYSTEMS AND METHODS FOR PIPELINE VALVE CALIBRATION BASED ON SMART GAS SAFETY SUPERVISION

Filed 2025-02-10 · Granted · Patent 12436529 (2025-10-07) The official file ↗The patent and its PDF ↗ · Art unit 2119 · Examiner David Earl Ogg Typical · CPC F17D 1/02 · CHENGDU QINCHUAN IOT TECHNOLOGY CO., LTD. · Metis IP LLC

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first was Notice of allowance
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to disposition 7.9 mo
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