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Priority to JP14446686UpriorityCriticalpatent/JPH0326705Y2/ja
Priority to US07/096,720prioritypatent/US4817133A/en
Priority to KR1019870010198Aprioritypatent/KR900007612B1/ko
Publication of JPS6349857UpublicationCriticalpatent/JPS6349857U/ja
Application grantedgrantedCritical
Publication of JPH0326705Y2publicationCriticalpatent/JPH0326705Y2/ja
