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Priority to JP7510886UpriorityCriticalpatent/JPS62185890U/ja
Priority to KR1019870004921Aprioritypatent/KR900007252B1/ko
Priority to DE19873716718prioritypatent/DE3716718A1/de
Publication of JPS62185890UpublicationCriticalpatent/JPS62185890U/ja
Priority to US07/219,452prioritypatent/US4859150A/en