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 JP18271185Aexternal-prioritypatent/JPS6242896A/ja
Priority claimed from JP29864185Aexternal-prioritypatent/JPS62158099A/ja
Priority claimed from JP5749186Aexternal-prioritypatent/JPS62212198A/ja
Application filed by Kotobuki & Co LtdfiledCriticalKotobuki & Co Ltd
Priority claimed from EP86306414Aexternal-prioritypatent/EP0215584B1/de
Application grantedgrantedCritical
Publication of ATE49378T1publicationCriticalpatent/ATE49378T1/de