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 JP13335475Aexternal-prioritypatent/JPS5257355A/en
Priority claimed from JP6833676Aexternal-prioritypatent/JPS52151758A/en
Priority claimed from JP8386676Aexternal-prioritypatent/JPS539347A/en
Application filed by Kuraray CofiledCriticalKuraray Co
Priority to NZ188315ApriorityCriticalpatent/NZ188315A/en
Publication of NZ182505ApublicationCriticalpatent/NZ182505A/en