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 GB3588/67Aexternal-prioritypatent/GB1198071A/en
Application filed by Just George ErichfiledCriticalJust George Erich
Publication of FI753054A7publicationCriticalpatent/FI753054A7/fi