CH605711A5CH1580975ACH1580975ACH605711A5CH 605711 A5CH605711 A5CH 605711A5CH 1580975 ACH1580975 ACH 1580975ACH 1580975 ACH1580975 ACH 1580975ACH 605711 A5CH605711 A5CH 605711A5
Authority
CH
Switzerland
Application number
CH1580975A
Inventor
Robert Trevor Clarke
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 CH605711A5publicationCriticalpatent/CH605711A5/xx