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
Application filed by Ici PlcfiledCriticalIci Plc
Priority to CS861303ApriorityCriticalpatent/CS264272B2/en
Priority to CS861302Aprioritypatent/CS264271B2/en
Publication of CS216585A2publicationCriticalpatent/CS216585A2/en
Publication of CS264263B2publicationCriticalpatent/CS264263B2/en