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Priority to JP697585UpriorityCriticalpatent/JPH0424003Y2/ja
Priority to ES1986291797Uprioritypatent/ES291797Y/es
Publication of JPS61123101UpublicationCriticalpatent/JPS61123101U/ja
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Publication of JPH0424003Y2publicationCriticalpatent/JPH0424003Y2/ja