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Publication date
Priority claimed from CH175774Aexternal-prioritypatent/CH574273A5/de
Priority claimed from AT94575Aexternal-prioritypatent/AT343440B/de
Application filed by Buehler Ag GebfiledCriticalBuehler Ag Geb
Priority to AT123977ApriorityCriticalpatent/AT345072B/de
Publication of ATA123977ApublicationCriticalpatent/ATA123977A/de
Application grantedgrantedCritical
Publication of AT345072BpublicationCriticalpatent/AT345072B/de