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 JP14330281Aexternal-prioritypatent/JPS5843979A/ja
Priority claimed from JP666882Aexternal-prioritypatent/JPS58124793A/ja
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority claimed from EP82108261Aexternal-prioritypatent/EP0074611B1/de
Application grantedgrantedCritical
Publication of ATE28460T1publicationCriticalpatent/ATE28460T1/de