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Priority to JP1985106552UpriorityCriticalpatent/JPS6214427U/ja
Priority to US06/882,363prioritypatent/US4853726A/en
Priority to DE19863623287prioritypatent/DE3623287A1/de
Publication of JPS6214427UpublicationCriticalpatent/JPS6214427U/ja
Priority to US07/307,749prioritypatent/US4933697A/en