41–45 of 45 hits
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    Horn system

    Free access
    WANG JINGJING / AN XIAOCHAO | European Patent Office | 2020

    One-transmitting and multi-receiving ultrasonic wave-based upward-sweeping type draught detection system and detection method

    Free access
    ZHAO MENG / XIONG MUDI / QI JUNLIN et al. | European Patent Office | 2020

    Ventilation device for electric power material storage

    Free access
    TENG JINZUO / GONG QINWEI / WANG JINGJING et al. | European Patent Office | 2020

    Elevator debugging method based on intelligent mobile phone

    Free access
    SUN XULUN / ZHAO YU NAN / WANG JINGJING et al. | European Patent Office | 2015

    Multifunctional large-tonnage beam erecting crane and beam erecting method

    Free access
    PAN DONGFA / PANG FENGQI / MAO WEIQI et al. | European Patent Office | 2015