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Application filedfiledCritical
Priority to JP11813783UpriorityCriticalpatent/JPS6027671U/ja
Priority to US06/620,939prioritypatent/US4601127A/en
Priority to KR1019840004280Aprioritypatent/KR890004359B1/ko
Publication of JPS6027671UpublicationCriticalpatent/JPS6027671U/ja
Priority to US07/144,668prioritypatent/US4854068A/en
Application grantedgrantedCritical
Publication of JPS6329414Y2publicationCriticalpatent/JPS6329414Y2/ja