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Priority to JP3650076UpriorityCriticalpatent/JPS5728120Y2/ja
Priority to DE19762633698prioritypatent/DE2633698C2/de
Publication of JPS52127848UpublicationCriticalpatent/JPS52127848U/ja
Application grantedgrantedCritical
Publication of JPS5728120Y2publicationCriticalpatent/JPS5728120Y2/ja