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    Method for Providing Parking Payment by using Conversational Mode Air Cleaning Device in Car and User Mobile Device

    Free access
    LEE DONG SEOB / KIM JAE HYUNG / KWON BONG KI | European Patent Office | 2019
    intelligent payment services in an interactive manner through the air purifying device by having artificial intelligent responses to various ...

    Method for Providing Conversational Mode Ordering Payment by Using Air Cleaning Device in Car

    Free access
    LEE DONG SEOB / KIM JAE HYUNG / KWON BONG KI | European Patent Office | 2019
    operating module of the air purifying device. The present invention can provide various artificially intelligent payment services in an interactive ...