Case Number: App_471183/2023 Patent number: EP3891432 - GAS NETWORK AND METHOD FOR DETECTING OBSTRUCTIONS IN A GAS NETWORK UNDER PRESSURE OR UNDER VACUUMProceeding type: ApplicationAction/Application: Opt-outApplicants: Dennemeyer & Associates S.A. (LU) Represented by Daniel Johannes DiwoCourt Division: appealInstance - seat - LuxembourgDate of Formal receipt: 2023-06-02 14:45:49