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Application filedfiledCritical
Priority to JP1987154738UpriorityCriticalpatent/JPH0449108Y2/ja
Priority to US07/227,254prioritypatent/US4895135A/en
Priority to GB8819021Aprioritypatent/GB2208544B/en
Priority to KR1019880010168Aprioritypatent/KR960002942B1/ko
Publication of JPH0161077UpublicationCriticalpatent/JPH0161077U/ja
Application grantedgrantedCritical
Publication of JPH0449108Y2publicationCriticalpatent/JPH0449108Y2/ja
