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 DE19843431240external-prioritypatent/DE3431240A1/de
Application filed by Laumen Thermotechnik Gmbh MfiledCriticalLaumen Thermotechnik Gmbh M
Application grantedgrantedCritical
Publication of ATE43900T1publicationCriticalpatent/ATE43900T1/de