CH587784A5CH628772ACH628772ACH587784A5CH 587784 A5CH587784 A5CH 587784A5CH 628772 ACH628772 ACH 628772ACH 628772 ACH628772 ACH 628772ACH 587784 A5CH587784 A5CH 587784A5
Authority
CH
Switzerland
Application number
CH628772A
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 CH587784A5publicationCriticalpatent/CH587784A5/xx