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Priority to JP4859990UpriorityCriticalpatent/JPH0546427Y2/ja
Priority to AU76397/91Aprioritypatent/AU630294B2/en
Priority to CA002042006Aprioritypatent/CA2042006C/en
Priority to EP91304121Aprioritypatent/EP0456470B1/en
Priority to DE69115981Tprioritypatent/DE69115981T2/de
Priority to US07/698,229prioritypatent/US5188102A/en
Publication of JPH047807UpublicationCriticalpatent/JPH047807U/ja
Application grantedgrantedCritical
Publication of JPH0546427Y2publicationCriticalpatent/JPH0546427Y2/ja