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 JP4962387Aexternal-prioritypatent/JPH0751068B2/ja
Priority claimed from JP4962087Aexternal-prioritypatent/JPH0789938B2/ja
Priority claimed from JP4962287Aexternal-prioritypatent/JPH0789940B2/ja
Priority claimed from JP4962187Aexternal-prioritypatent/JPH0789939B2/ja
Application filed by Asahi Denka Kogyo KkfiledCriticalAsahi Denka Kogyo Kk
Priority claimed from EP88103319Aexternal-prioritypatent/EP0281143B1/de
Application grantedgrantedCritical
Publication of ATE86664T1publicationCriticalpatent/ATE86664T1/de