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Application filedfiledCritical
Priority to JP1978036045UpriorityCriticalpatent/JPS576204Y2/ja
Priority to US05/946,759prioritypatent/US4251107A/en
Priority to GB7842177Aprioritypatent/GB2019206B/en
Publication of JPS54139511UpublicationCriticalpatent/JPS54139511U/ja
Application grantedgrantedCritical
Publication of JPS576204Y2publicationCriticalpatent/JPS576204Y2/ja