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Priority to JP1989085501UpriorityCriticalpatent/JPH0325579U/ja
Priority to IT48155Aprioritypatent/IT1241494B/it
Priority to CH3528/90Aprioritypatent/CH679405A5/de
Priority to DE4023006Aprioritypatent/DE4023006A1/de
Publication of JPH0325579UpublicationCriticalpatent/JPH0325579U/ja