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Priority to JP14746188UpriorityCriticalpatent/JPH0267124U/ja
Priority to US07/429,004prioritypatent/US5022505A/en
Priority to EP89311170Aprioritypatent/EP0368526B1/en
Priority to DE68912079Tprioritypatent/DE68912079T2/de
Publication of JPH0267124UpublicationCriticalpatent/JPH0267124U/ja
