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Application filed by 株式会社 大井製作所filedCritical株式会社 大井製作所
Priority to JP1979151399UpriorityCriticalpatent/JPS5829242Y2/ja
Publication of JPS5667268UpublicationCriticalpatent/JPS5667268U/ja
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Publication of JPS5829242Y2publicationCriticalpatent/JPS5829242Y2/ja