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 DE3841230Aexternal-prioritypatent/DE3841230A1/de
Application filed by Wibau GmbhfiledCriticalWibau Gmbh
Application grantedgrantedCritical
Publication of ATE87682T1publicationCriticalpatent/ATE87682T1/de