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Priority to JP15901388UpriorityCriticalpatent/JPH0278939U/ja
Priority to DE68923333Tprioritypatent/DE68923333T2/de
Priority to EP89116570Aprioritypatent/EP0358217B1/en
Priority to US07/404,519prioritypatent/US5004336A/en
Publication of JPH0278939UpublicationCriticalpatent/JPH0278939U/ja