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Application filed by Boesch Berndt, Penker EwaldfiledCriticalBoesch Berndt
Priority to AT29393ApriorityCriticalpatent/AT403716B/de
Publication of ATA29393ApublicationCriticalpatent/ATA29393A/de
Application grantedgrantedCritical
Publication of AT403716BpublicationCriticalpatent/AT403716B/de