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person:("Zhang, Yi")

    Novel antiskid wear-resistant mountain bike inner tube

    Freier Zugriff
    ZHANG YI / ZHANG WEIBING / ZHANG JUNLI et al. | Europäisches Patentamt | 2022

    Rubber composition for anti-puncture inner tube of bicycle

    Freier Zugriff
    ZHANG YI / ZHANG WEIBING / ZHANG JUNLI et al. | Europäisches Patentamt | 2022

    High-wear-resistance bicycle tire rubber composition

    Freier Zugriff
    ZHANG YI / ZHANG WEIBING / CHI GUOPING et al. | Europäisches Patentamt | 2022