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Priority to JP7914590UpriorityCriticalpatent/JPH0437074U/ja
Priority to EP91110696Aprioritypatent/EP0464693B1/en
Priority to DE69105057Tprioritypatent/DE69105057T2/de
Priority to US07/722,152prioritypatent/US5152551A/en
Publication of JPH0437074UpublicationCriticalpatent/JPH0437074U/ja
