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 DE1812081Aexternal-prioritypatent/DE1812081C3/en
Priority claimed from AT657472Aexternal-prioritypatent/AT323940B/en
Priority claimed from AT1094969Aexternal-prioritypatent/AT308324B/en
Application filed by Leifheit InternationalfiledCriticalLeifheit International
Priority to AT657372ApriorityCriticalpatent/AT332041B/en
Publication of ATA657372ApublicationCriticalpatent/ATA657372A/en
Application grantedgrantedCritical
Publication of AT332041BpublicationCriticalpatent/AT332041B/en