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Priority to JP246773UpriorityCriticalpatent/JPS5248483Y2/ja
Priority to US427615Aprioritypatent/US3895666A/en
Priority to DE2364804Aprioritypatent/DE2364804A1/de
Publication of JPS49102404UpublicationCriticalpatent/JPS49102404U/ja
Application grantedgrantedCritical
Publication of JPS5248483Y2publicationCriticalpatent/JPS5248483Y2/ja