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Application filed by Franz Gabriel, Gabriele Geissler, Helmut MaxonusfiledCriticalFranz Gabriel
Priority to AT77995ApriorityCriticalpatent/AT402634B/de
Publication of ATA77995ApublicationCriticalpatent/ATA77995A/de
Application grantedgrantedCritical
Publication of AT402634BpublicationCriticalpatent/AT402634B/de