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 Astra AbfiledCriticalAstra Ab
Priority claimed from PCT/SE1991/000522external-prioritypatent/WO1992003134A1/en
Application grantedgrantedCritical
Publication of TW224940BpublicationCriticalpatent/TW224940B/zh