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Application filed by 株式会社保谷レンズfiledCritical株式会社保谷レンズ
Priority to JP16445481UpriorityCriticalpatent/JPS5869822U/ja
Publication of JPS5869822UpublicationCriticalpatent/JPS5869822U/ja
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Publication of JPS6237210Y2publicationCriticalpatent/JPS6237210Y2/ja