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 GB3884772Aexternal-prioritypatent/GB1414801A/en
Application filed by Ted BildplattenfiledCriticalTed Bildplatten
Publication of IN138045BpublicationCriticalpatent/IN138045B/en