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Application filedfiledCritical
Priority to JP1978172844UpriorityCriticalpatent/JPS5734518Y2/ja
Priority to US06/098,241prioritypatent/US4258477A/en
Priority to GB7943227Aprioritypatent/GB2038068B/en
Publication of JPS5587550UpublicationCriticalpatent/JPS5587550U/ja
Application grantedgrantedCritical
Publication of JPS5734518Y2publicationCriticalpatent/JPS5734518Y2/ja