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Application filed by 東洋バルヴ株式会社filedCritical東洋バルヴ株式会社
Priority to JP6165384UpriorityCriticalpatent/JPS60173775U/ja
Publication of JPS60173775UpublicationCriticalpatent/JPS60173775U/ja
Application grantedgrantedCritical
Publication of JPS646453Y2publicationCriticalpatent/JPS646453Y2/ja
