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 JP8382881Aexternal-prioritypatent/JPS57198708A/ja
Priority claimed from JP8430881Aexternal-prioritypatent/JPS57200405A/ja
Priority claimed from JP10130881Aexternal-prioritypatent/JPS585307A/ja
Application filed by Asahi Chemical IndfiledCriticalAsahi Chemical Ind
Priority claimed from EP82302811Aexternal-prioritypatent/EP0067607B1/de
Application grantedgrantedCritical
Publication of ATE25092T1publicationCriticalpatent/ATE25092T1/de