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Application filedfiledCritical
Priority to JP12457072UpriorityCriticalpatent/JPS521745Y2/ja
Priority to FR7311966Aprioritypatent/FR2179053A1/fr
Priority to DE19732316668prioritypatent/DE2316668A1/de
Publication of JPS4981065UpublicationCriticalpatent/JPS4981065U/ja
Application grantedgrantedCritical
Publication of JPS521745Y2publicationCriticalpatent/JPS521745Y2/ja