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Priority to JP11857072UpriorityCriticalpatent/JPS5041271Y2/ja
Priority to DE2339892Aprioritypatent/DE2339892C3/de
Priority to US38702373prioritypatent/US3887745A/en
Priority to GB3778773Aprioritypatent/GB1416357A/en
Publication of JPS49111423UpublicationCriticalpatent/JPS49111423U/ja
Application grantedgrantedCritical
Publication of JPS5041271Y2publicationCriticalpatent/JPS5041271Y2/ja