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Priority to JP7217988UpriorityCriticalpatent/JPH0624607Y2/ja
Application filedfiledCritical
Priority to DE8989305417Tprioritypatent/DE68902103T2/de
Priority to EP89305417Aprioritypatent/EP0347061B1/en
Priority to CA000601187Aprioritypatent/CA1337130C/en
Priority to DE8989305417Tprioritypatent/DE68902103D1/de
Priority to KR1019890007431Aprioritypatent/KR910010177B1/ko
Priority to US07/359,326prioritypatent/US4967609A/en
Publication of JPH01174674UpublicationCriticalpatent/JPH01174674U/ja
Application grantedgrantedCritical
Publication of JPH0624607Y2publicationCriticalpatent/JPH0624607Y2/ja