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Application filed by ポ−ラ化成工業株式会社, ワイケイケイ株式会社filedCriticalポ−ラ化成工業株式会社
Priority to JP12749184UpriorityCriticalpatent/JPS6145005U/ja
Publication of JPS6145005UpublicationCriticalpatent/JPS6145005U/ja
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Publication of JPS645529Y2publicationCriticalpatent/JPS645529Y2/ja