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Priority to JP1973060531UpriorityCriticalpatent/JPS527996Y2/ja
Priority to DE19742424749prioritypatent/DE2424749B2/de
Priority to US472343Aprioritypatent/US3924608A/en
Publication of JPS508785UpublicationCriticalpatent/JPS508785U/ja
Application grantedgrantedCritical
Publication of JPS527996Y2publicationCriticalpatent/JPS527996Y2/ja