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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP394477ApriorityCriticalpatent/JPS5390549A/en
Publication of JPS5390549ApublicationCriticalpatent/JPS5390549A/en
PURPOSE: To adpta the amount and the speed of lubricant supply constant in a bearing capable of replacing lubricant during running thereby avoiding the effects on machine operation.