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Application filed by 千代田紙工業株式会社filedCritical千代田紙工業株式会社
Priority to JP699879UpriorityCriticalpatent/JPS5821377Y2/ja
Publication of JPS55108019UpublicationCriticalpatent/JPS55108019U/ja
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Publication of JPS5821377Y2publicationCriticalpatent/JPS5821377Y2/ja