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Application filed by 日本理化製紙株式会社filedCritical日本理化製紙株式会社
Priority to JP1978163140UpriorityCriticalpatent/JPS5855144Y2/ja
Publication of JPS5580244UpublicationCriticalpatent/JPS5580244U/ja
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Publication of JPS5855144Y2publicationCriticalpatent/JPS5855144Y2/ja