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Priority to JP10290875ApriorityCriticalpatent/JPS5227902A/ja
Publication of JPS5227902ApublicationCriticalpatent/JPS5227902A/ja
Publication of JPS5514889B2publicationCriticalpatent/JPS5514889B2/ja
JP10290875A1975-08-271975-08-27Device for preventing immersion of air bubbles into pipings for superv ising discharged oil of bearing
GrantedJPS5227902A
(en)