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 Siemens Schuckertwerke GmbhfiledCriticalSiemens Schuckertwerke Gmbh
Priority to AT315260ApriorityCriticalpatent/AT229091B/en
Application grantedgrantedCritical
Publication of AT229091BpublicationCriticalpatent/AT229091B/en