1–8 von 8 Ergebnissen
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    Production process of two-fold folding door

    Freier Zugriff
    LI FENG / MEI ZHIBING / WANG FEI et al. | Europäisches Patentamt | 2021

    Forming process of fireproof door leaf with escape channel

    Freier Zugriff
    WU HAIYAN / MEI ZHIBING / WANG FEI et al. | Europäisches Patentamt | 2021

    Fireproof door with built-in air duct

    Freier Zugriff
    YAN BO / WANG FEI / MEI ZHIBING et al. | Europäisches Patentamt | 2021

    Two-fold folding fireproof door

    Freier Zugriff
    YAN BO / WANG FEI / MEI ZHIBING et al. | Europäisches Patentamt | 2021

    Fireproof door with observation window

    Freier Zugriff
    LI FENG / YAN BO / WANG FEI et al. | Europäisches Patentamt | 2021

    Fireproof door assembly process

    Freier Zugriff
    MEI ZHIBING / WANG FEI / YAN BO et al. | Europäisches Patentamt | 2021

    Sound insulation fireproof door

    Freier Zugriff
    YAN BO / GAO FENGCHUN / WANG FEI et al. | Europäisches Patentamt | 2021

    Fireproof door leaf cotton arranging process

    Freier Zugriff
    MEI ZHIBING / WANG FEI / LI FENG et al. | Europäisches Patentamt | 2021