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Application filed by 第一機材株式会社filedCritical第一機材株式会社
Priority to JP7999683UpriorityCriticalpatent/JPS59186057U/ja
Publication of JPS59186057UpublicationCriticalpatent/JPS59186057U/ja
Application grantedgrantedCritical
Publication of JPS6238528Y2publicationCriticalpatent/JPS6238528Y2/ja