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Priority to JP1979036692UpriorityCriticalpatent/JPS6041901Y2/ja
Priority to ES1980249483Uprioritypatent/ES249483Y/es
Publication of JPS55136433UpublicationCriticalpatent/JPS55136433U/ja
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Publication of JPS6041901Y2publicationCriticalpatent/JPS6041901Y2/ja