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 Dennison Mfg CofiledCriticalDennison Mfg Co
Priority to ZA858143ApriorityCriticalpatent/ZA858143B/en
Publication of ZA858143BpublicationCriticalpatent/ZA858143B/en