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Priority to JP647085UpriorityCriticalpatent/JPH0131913Y2/ja
Priority to CN86100893.6Aprioritypatent/CN1003139B/zh
Priority to FR8600759Aprioritypatent/FR2576401B1/fr
Publication of JPS61124889UpublicationCriticalpatent/JPS61124889U/ja
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Publication of JPH0131913Y2publicationCriticalpatent/JPH0131913Y2/ja