Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2136154Aexternal-prioritypatent/DE2136154C3/de
Priority claimed from AT380572Aexternal-prioritypatent/AT325536B/de
Application filed by Prym Werke WilliamfiledCriticalPrym Werke William
Priority to AT744373ApriorityCriticalpatent/AT330695B/de
Publication of ATA744373ApublicationCriticalpatent/ATA744373A/de
Application grantedgrantedCritical
Publication of AT330695BpublicationCriticalpatent/AT330695B/de