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Priority to JP266889UpriorityCriticalpatent/JPH0295361U/ja
Priority to US07/452,282prioritypatent/US5128724A/en
Priority to EP89123661Aprioritypatent/EP0374920B1/en
Priority to DE68915718Tprioritypatent/DE68915718T2/de
Publication of JPH0295361UpublicationCriticalpatent/JPH0295361U/ja