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Priority to JP3527387UpriorityCriticalpatent/JPH0545727Y2/ja
Priority to DE19883807987prioritypatent/DE3807987A1/de
Priority to US07/166,423prioritypatent/US4917424A/en
Publication of JPS63143659UpublicationCriticalpatent/JPS63143659U/ja
Application grantedgrantedCritical
Publication of JPH0545727Y2publicationCriticalpatent/JPH0545727Y2/ja