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Priority to JP4667588UpriorityCriticalpatent/JPH0524673Y2/ja
Priority to DE1989620179prioritypatent/DE68920179T2/de
Priority to EP19890105770prioritypatent/EP0336327B1/en
Publication of JPH01149356UpublicationCriticalpatent/JPH01149356U/ja
Application grantedgrantedCritical
Publication of JPH0524673Y2publicationCriticalpatent/JPH0524673Y2/ja