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Application filed by 日本ファーネス工業株式会社filedCritical日本ファーネス工業株式会社
Priority to JP12634990UpriorityCriticalpatent/JPH0612343Y2/ja
Publication of JPH0492118UpublicationCriticalpatent/JPH0492118U/ja
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Publication of JPH0612343Y2publicationCriticalpatent/JPH0612343Y2/ja