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 GB3147570Aexternal-prioritypatent/GB1358158A/en
Application filed by Borys ZdzislawfiledCriticalBorys Zdzislaw
Publication of ATA1116070ApublicationCriticalpatent/ATA1116070A/de
Application grantedgrantedCritical
Publication of AT332060BpublicationCriticalpatent/AT332060B/de