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Application filed by 株式会社山元, 大和化工材株式会社filedCritical株式会社山元
Priority to JP13539783UpriorityCriticalpatent/JPS6046372U/ja
Publication of JPS6046372UpublicationCriticalpatent/JPS6046372U/ja
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Publication of JPH0222382Y2publicationCriticalpatent/JPH0222382Y2/ja