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Application filed by 株式会社丸島水門製作所filedCritical株式会社丸島水門製作所
Priority to JP13380382UpriorityCriticalpatent/JPS5938534U/ja
Publication of JPS5938534UpublicationCriticalpatent/JPS5938534U/ja
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Publication of JPS629378Y2publicationCriticalpatent/JPS629378Y2/ja