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18454766 · METHODS AND SMART GAS INTERNET OF THINGS (IOT) SYSTEMS FOR REMOTE CONTROL OF ULTRASONIC METERING DEVICES

Filed 2023-08-23 · Granted · Patent 11982410 (2024-05-14) The official file ↗The patent and its PDF ↗ · Art unit 2855 · Examiner Harshad R Patel Typical · CPC F17D 5/02 · CHENGDU QINCHUAN IOT TECHNOLOGY CO., LTD. · Metis IP LLC

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