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 FI732762Aexternal-prioritypatent/FI51824C/fi
Application filed by Ici LtdfiledCriticalIci Ltd
Priority to FI762523ApriorityCriticalpatent/FI762523A7/fi
Publication of FI762523A7publicationCriticalpatent/FI762523A7/fi