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Application filed by 株式会社日本省力産業研究所filedCritical株式会社日本省力産業研究所
Priority to JP2783882UpriorityCriticalpatent/JPS58130596U/ja
Publication of JPS58130596UpublicationCriticalpatent/JPS58130596U/ja
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Publication of JPS6334073Y2publicationCriticalpatent/JPS6334073Y2/ja