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Priority to JP19081087UpriorityCriticalpatent/JPH0316581Y2/ja
Priority to CA000567739Aprioritypatent/CA1280903C/en
Priority to GB8812712Aprioritypatent/GB2205229B/en
Priority to US07/199,786prioritypatent/US4829889A/en
Priority to AU16737/88Aprioritypatent/AU591044B2/en
Priority to KR1019880006291Aprioritypatent/KR910005039B1/ko
Publication of JPH0196137UpublicationCriticalpatent/JPH0196137U/ja
Application grantedgrantedCritical
Publication of JPH0316581Y2publicationCriticalpatent/JPH0316581Y2/ja