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 CH1408675Aexternal-prioritypatent/CH605306A5/xx
Priority claimed from AT953375Aexternal-prioritypatent/AT351385B/de
Application filed by Refil AgfiledCriticalRefil Ag
Priority to AT379177ApriorityCriticalpatent/AT367370B/de
Publication of ATA379177ApublicationCriticalpatent/ATA379177A/de
Application grantedgrantedCritical
Publication of AT367370BpublicationCriticalpatent/AT367370B/de