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Application filed by 北村 悦子filedCritical北村 悦子
Priority to JP1978073023UpriorityCriticalpatent/JPS5823910Y2/ja
Publication of JPS54174227UpublicationCriticalpatent/JPS54174227U/ja
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Publication of JPS5823910Y2publicationCriticalpatent/JPS5823910Y2/ja