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Priority to JP5789179UpriorityCriticalpatent/JPS55158796U/ja
Priority to GB7926929Aprioritypatent/GB2047850A/en
Priority to DE19792940130prioritypatent/DE2940130A1/de
Priority to FR7929431Aprioritypatent/FR2455228A1/fr
Publication of JPS55158796UpublicationCriticalpatent/JPS55158796U/ja