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Priority to JP3980580UpriorityCriticalpatent/JPS56140429U/ja
Priority to DE19803022253prioritypatent/DE3022253A1/de
Priority to FR8013163Aprioritypatent/FR2458390B1/fr
Priority to GB8019387Aprioritypatent/GB2051675B/en
Publication of JPS56140429UpublicationCriticalpatent/JPS56140429U/ja