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 Vickers Shipbuilding & EngfiledCriticalVickers Shipbuilding & Eng
Priority to ZA904721ApriorityCriticalpatent/ZA904721B/en
Publication of ZA904721BpublicationCriticalpatent/ZA904721B/en