CH587789A5CH642875ACH642875ACH587789A5CH 587789 A5CH587789 A5CH 587789A5CH 642875 ACH642875 ACH 642875ACH 642875 ACH642875 ACH 642875ACH 587789 A5CH587789 A5CH 587789A5
Authority
CH
Switzerland
Application number
CH642875A
Original Assignee
Ici Ltd
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 LtdfiledCriticalIci Ltd
Publication of CH587789A5publicationCriticalpatent/CH587789A5/xx