1–4 von 4 Ergebnissen
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    Hoisting tool and hoisting method for fabricated concrete member supporting rail

    Freier Zugriff
    CHENG PENG / YANG GANG / PENG JIANBING et al. | Europäisches Patentamt | 2021

    Assembly type concrete member hoisting system connecting device and hoisting operation method

    Freier Zugriff
    CHENG PENG / YANG GANG / PENG JIANBING et al. | Europäisches Patentamt | 2021

    Operation platform capable of ascending and descending along cambered surface dome and mounting method thereof

    Freier Zugriff
    WANG XIANGDE / LIAO CHUNSHENG / LIU QIANG et al. | Europäisches Patentamt | 2020