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 Albert Von Schwerin Dr, J A Erlanger FafiledCriticalAlbert Von Schwerin Dr
Application grantedgrantedCritical
Publication of AT31930BpublicationCriticalpatent/AT31930B/de