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Application filed by Pfuetzner Helmut DrfiledCriticalPfuetzner Helmut Dr
Priority to AT153894ApriorityCriticalpatent/AT401340B/de
Publication of ATA153894ApublicationCriticalpatent/ATA153894A/de
Application grantedgrantedCritical
Publication of AT401340BpublicationCriticalpatent/AT401340B/de