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Priority to JP1988039906UpriorityCriticalpatent/JPH0321773Y2/ja
Publication of JPH01143633UpublicationCriticalpatent/JPH01143633U/ja
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Publication of JPH0321773Y2publicationCriticalpatent/JPH0321773Y2/ja
Method to make mechanical components for fluid-dynamic devices, compressors or motors operating at high pressure, and mechanical components thus achieved