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Priority to JP1986203257UpriorityCriticalpatent/JPH059468Y2/ja
Priority to DE19873744894prioritypatent/DE3744894C2/de
Priority to DE19873743614prioritypatent/DE3743614A1/de
Priority to US07/137,580prioritypatent/US4815317A/en
Priority to KR2019870023005Uprioritypatent/KR900008635Y1/ko
Publication of JPS63105744UpublicationCriticalpatent/JPS63105744U/ja
Application grantedgrantedCritical
Publication of JPH059468Y2publicationCriticalpatent/JPH059468Y2/ja