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Priority to JP1987086810UpriorityCriticalpatent/JPH0742105Y2/ja
Priority to DE3818385Aprioritypatent/DE3818385A1/de
Priority to US07/201,885prioritypatent/US4864855A/en
Priority to KR2019880008702Uprioritypatent/KR910002831Y1/ko
Publication of JPS63195230UpublicationCriticalpatent/JPS63195230U/ja
Application grantedgrantedCritical
Publication of JPH0742105Y2publicationCriticalpatent/JPH0742105Y2/ja
