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Priority to JP1973060434UpriorityCriticalpatent/JPS5430226Y2/ja
Priority to AU69072/74Aprioritypatent/AU473778B2/en
Priority to CA200,359Aprioritypatent/CA1049421A/en
Publication of JPS508572UpublicationCriticalpatent/JPS508572U/ja
Application grantedgrantedCritical
Publication of JPS5430226Y2publicationCriticalpatent/JPS5430226Y2/ja