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 Gas Zuender Ges M B HfiledCriticalGas Zuender Ges M B H
Application grantedgrantedCritical
Publication of AT72852BpublicationCriticalpatent/AT72852B/en