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Application filed by 日鐵建材工業株式会社, 日鐵溶接工業株式会社filedCritical日鐵建材工業株式会社
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Publication of JPH026174UpublicationCriticalpatent/JPH026174U/ja
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Publication of JPH0627272Y2publicationCriticalpatent/JPH0627272Y2/ja