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Priority to JP1987158600UpriorityCriticalpatent/JPH0737774Y2/ja
Priority to DE3807195Aprioritypatent/DE3807195A1/de
Priority to KR2019880007291Uprioritypatent/KR950001371Y1/ko
Publication of JPH0164321UpublicationCriticalpatent/JPH0164321U/ja
Priority to US07/430,928prioritypatent/US5017055A/en
Application grantedgrantedCritical
Publication of JPH0737774Y2publicationCriticalpatent/JPH0737774Y2/ja
