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Priority to JP2007185UpriorityCriticalpatent/JPH0741080Y2/ja
Priority to GB8529822Aprioritypatent/GB2169449B/en
Publication of JPS61135446UpublicationCriticalpatent/JPS61135446U/ja
Priority to GB8811022Aprioritypatent/GB2203289B/en
Priority to US07/196,775prioritypatent/US4825336A/en
Priority to HK375/91Aprioritypatent/HK37591A/xx
Application grantedgrantedCritical
Publication of JPH0741080Y2publicationCriticalpatent/JPH0741080Y2/ja