CH568276A5CH459673ACH459673ACH568276A5CH 568276 A5CH568276 A5CH 568276A5CH 459673 ACH459673 ACH 459673ACH 459673 ACH459673 ACH 459673ACH 568276 A5CH568276 A5CH 568276A5
Authority
CH
Switzerland
Application number
CH459673A
Original Assignee
Akzo Nv
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 DE19722216116external-prioritypatent/DE2216116C3/de
Application filed by Akzo NvfiledCriticalAkzo Nv
Publication of CH568276A5publicationCriticalpatent/CH568276A5/xx