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Priority to JP6684069UpriorityCriticalpatent/JPS4817721Y1/ja
Priority to US48382Aprioritypatent/US3633146A/en
Priority to GB3099270Aprioritypatent/GB1320033A/en
Priority to FR7023765Aprioritypatent/FR2051375A5/fr
Priority to DE19702031800prioritypatent/DE2031800A1/de
Priority to NL707009497Aprioritypatent/NL150937B/xx
Publication of JPS4817721Y1publicationCriticalpatent/JPS4817721Y1/ja