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Priority to KR2019950041740UpriorityCriticalpatent/KR970044533U/en
Priority to DE19623819Aprioritypatent/DE19623819C2/en
Priority to JP8156880Aprioritypatent/JP2761479B2/en
Publication of KR970044533UpublicationCriticalpatent/KR970044533U/en