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Priority to JP3506689UpriorityCriticalpatent/JPH02125237U/ja
Priority to DE69013037Tprioritypatent/DE69013037T2/de
Priority to US07/498,844prioritypatent/US5037362A/en
Priority to EP90303197Aprioritypatent/EP0390466B1/en
Publication of JPH02125237UpublicationCriticalpatent/JPH02125237U/ja
