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 JP12993276Aexternal-prioritypatent/JPS5353672A/ja
Priority claimed from AT226977Aexternal-prioritypatent/AT355046B/de
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority to AT812178ApriorityCriticalpatent/AT356674B/de
Publication of ATA812178ApublicationCriticalpatent/ATA812178A/de
Application grantedgrantedCritical
Publication of AT356674BpublicationCriticalpatent/AT356674B/de