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Priority to JP3712176UpriorityCriticalpatent/JPS5548246Y2/ja
Priority to AU23583/77Aprioritypatent/AU493274B2/en
Priority to DE19772713279prioritypatent/DE2713279C2/de
Priority to FR7709058Aprioritypatent/FR2345666A1/fr
Publication of JPS52129032UpublicationCriticalpatent/JPS52129032U/ja
Application grantedgrantedCritical
Publication of JPS5548246Y2publicationCriticalpatent/JPS5548246Y2/ja