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 GB24533/59Aexternal-prioritypatent/GB875248A/en
Application filed by Saunders Valve Co LtdfiledCriticalSaunders Valve Co Ltd
Publication of BE593103ApublicationCriticalpatent/BE593103A/fr