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Priority to JP18509179UpriorityCriticalpatent/JPS5699437U/ja
Priority to US06/190,284prioritypatent/US4374472A/en
Priority to FR8020778Aprioritypatent/FR2466758A1/fr
Priority to CA000361157Aprioritypatent/CA1169144A/en
Priority to GB8031376Aprioritypatent/GB2061062B/en
Priority to DE3036676Aprioritypatent/DE3036676C2/de
Publication of JPS5699437UpublicationCriticalpatent/JPS5699437U/ja