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Priority to JP11746986UpriorityCriticalpatent/JPH076640Y2/ja
Priority to FR8707381Aprioritypatent/FR2607345B1/fr
Priority to DE19873717819prioritypatent/DE3717819C2/de
Publication of JPS6325500UpublicationCriticalpatent/JPS6325500U/ja
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Publication of JPH076640Y2publicationCriticalpatent/JPH076640Y2/ja