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 JP46036558Aexternal-prioritypatent/JPS4933686B1/ja
Application filed by Teijin LtdfiledCriticalTeijin Ltd
Publication of CS162780B2publicationCriticalpatent/CS162780B2/en