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
Application filed by Wladimir BrankowitchfiledCriticalWladimir Brankowitch
Application grantedgrantedCritical
Publication of AT11510BpublicationCriticalpatent/AT11510B/de