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Priority to JP1985100787UpriorityCriticalpatent/JPS6211398U/ja
Priority to CN 86103178prioritypatent/CN1026773C/zh
Publication of JPS6211398UpublicationCriticalpatent/JPS6211398U/ja
Priority to KR2019900005226Uprioritypatent/KR900005713Y1/ko
