1–6 von 6 Ergebnissen
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    Convertible tricycle

    Freier Zugriff
    TONG KUN YUAN | Europäisches Patentamt | 2018

    CONVERTIBLE BICYCLE

    Freier Zugriff
    TONG KUN YUAN | Europäisches Patentamt | 2019

    SNORKEL WITH SMALLER RESPIRATORY DEAD SPACE AND METHOD THEREOF

    Freier Zugriff
    TONG KUN YUAN / TONG JOHN | Europäisches Patentamt | 2020

    Snorkel with smaller respiratory dead space and method thereof

    Freier Zugriff
    TONG KUN YUAN / TONG JOHN | Europäisches Patentamt | 2020

    Snorkel with single valve assembly including integrated diaphragm and method thereof

    Freier Zugriff
    TONG KUN YUAN / TONG JOHN | Europäisches Patentamt | 2021

    SNORKEL WITH SINGLE VALVE ASSEMBLY INCLUDING INTEGRATED DIAPHRAGM AND METHOD THEREOF

    Freier Zugriff
    TONG KUN YUAN / TONG JOHN | Europäisches Patentamt | 2020