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Application filed by 株式会社伊藤喜工作所filedCritical株式会社伊藤喜工作所
Priority to JP1977019571UpriorityCriticalpatent/JPS588970Y2/ja
Publication of JPS53113965UpublicationCriticalpatent/JPS53113965U/ja
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Publication of JPS588970Y2publicationCriticalpatent/JPS588970Y2/ja