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Priority to JP1986157272UpriorityCriticalpatent/JPS6364782U/ja
Priority to KR870011206Aprioritypatent/KR880005300A/ko
Priority to CN87106866.4Aprioritypatent/CN1003527B/zh
Publication of JPS6364782UpublicationCriticalpatent/JPS6364782U/ja