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Priority to KR2019960013683UpriorityCriticalpatent/KR970062430U/en
Priority to US08/856,086prioritypatent/US5946947A/en
Priority to JP12751897Aprioritypatent/JP2991671B2/en
Priority to EP97303439Aprioritypatent/EP0808933A3/en
Priority to CN97104297Aprioritypatent/CN1085270C/en
Priority to BR9703303Aprioritypatent/BR9703303A/en
Publication of KR970062430UpublicationCriticalpatent/KR970062430U/en