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Priority to JP1545973UpriorityCriticalpatent/JPS5429532Y2/ja
Priority to US431202Aprioritypatent/US3901443A/en
Priority to FR7402506Aprioritypatent/FR2216030B1/fr
Publication of JPS49118407UpublicationCriticalpatent/JPS49118407U/ja
Application grantedgrantedCritical
Publication of JPS5429532Y2publicationCriticalpatent/JPS5429532Y2/ja