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Priority to JP4596081UpriorityCriticalpatent/JPS57165697U/ja
Priority to GB8208496Aprioritypatent/GB2095862B/en
Priority to FR8205492Aprioritypatent/FR2503414B1/fr
Priority to US06/364,404prioritypatent/US4520443A/en
Priority to DE19823212002prioritypatent/DE3212002A1/de
Publication of JPS57165697UpublicationCriticalpatent/JPS57165697U/ja