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Priority to JP1989026586UpriorityCriticalpatent/JPH0715066Y2/ja
Priority to EP89311004Aprioritypatent/EP0386364B1/en
Priority to DE68913955Tprioritypatent/DE68913955T2/de
Priority to US07/426,645prioritypatent/US4998318A/en
Publication of JPH02117620UpublicationCriticalpatent/JPH02117620U/ja
Application grantedgrantedCritical
Publication of JPH0715066Y2publicationCriticalpatent/JPH0715066Y2/ja
