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Application filed by 東北金属工業株式会社filedCritical東北金属工業株式会社
Priority to JP1985107660UpriorityCriticalpatent/JPH0631696Y2/ja
Publication of JPS6217108UpublicationCriticalpatent/JPS6217108U/ja
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Publication of JPH0631696Y2publicationCriticalpatent/JPH0631696Y2/ja
