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Application filed by 長島鋳物株式会社filedCritical長島鋳物株式会社
Priority to JP13290780UpriorityCriticalpatent/JPS597424Y2/ja
Publication of JPS5756850UpublicationCriticalpatent/JPS5756850U/ja
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Publication of JPS597424Y2publicationCriticalpatent/JPS597424Y2/ja