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Priority to JP14450686UpriorityCriticalpatent/JPH0641321Y2/ja
Priority to DE19873729947prioritypatent/DE3729947A1/de
Priority to KR1019870010002Aprioritypatent/KR900008922B1/ko
Priority to US07/098,034prioritypatent/US4808953A/en
Publication of JPS6349747UpublicationCriticalpatent/JPS6349747U/ja
Application grantedgrantedCritical
Publication of JPH0641321Y2publicationCriticalpatent/JPH0641321Y2/ja
