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    Emergency rescue escape system for tunnel construction

    TENG LIGANG | European Patent Office | 2021

    Free access

    Coal mine flood emergency rescue escape device

    DAI SHAOJUN / LIU YONGLI / WANG WEIWEI et al. | European Patent Office | 2024

    Free access

    Emergency rescue escape device for ship navigation

    ZHANG LANQIN / CHEN WEIJIONG | European Patent Office | 2020

    Free access

    Emergency rescue escape device for ship navigation

    WANG GUOYONG | European Patent Office | 2023

    Free access

    Rescue equipment for elevator emergency escape and use method

    HE JIANBIN / LIN WUZHUO / LIAO ZHIMING | European Patent Office | 2021

    Free access