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  1. 2021

  2. Digital Water Institute e.V. (DWI) (External organisation)

    Hack, J. (Member)

    2021 → …

    Activity: Membership › Membership in the board of an organization

  3. 2020

  4. Ingenieurökologische Vereinigung e.V. (IÖV) (External organisation)

    Hack, J. (Member)

    2020 → …

    Activity: Membership › Membership in the board of an organization