Case Number: App_472063/2023 Patent number: EP3291854 - PORTABLE GAS EXCHANGE APPARATUSProceeding type: ApplicationAction/Application: DérogationApplicants: Dennemeyer & Associates S.A. (LU) Represented by Alexander KlinkeCourt Division: appealInstance - seat - LuxembourgDate of Formal receipt: 2023-06-02 16:15:25