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 DE19843444211external-prioritypatent/DE3444211A1/en
Application filed by Sueddeutsche KalkstickstofffiledCriticalSueddeutsche Kalkstickstoff
Application grantedgrantedCritical
Publication of ATE64063T1publicationCriticalpatent/ATE64063T1/en