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Priority to JP18362587UpriorityCriticalpatent/JPH0187846U/ja
Priority to US07/276,229prioritypatent/US5018071A/en
Priority to EP88311338Aprioritypatent/EP0319265B1/en
Priority to DE88311338Tprioritypatent/DE3884573T2/de
Publication of JPH0187846UpublicationCriticalpatent/JPH0187846U/ja