Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to JP7781475ApriorityCriticalpatent/JPS521811A/en
Publication of JPS521811ApublicationCriticalpatent/JPS521811A/en
PURPOSE: Railway vehicle wheels and rails, in which central portion and both sides thereof of the wheel are formed as semi circular convex surfaces so that noise is reduced.
COPYRIGHT: (C)1977,JPO&Japio
JP7781475A1975-06-231975-06-23Rail and wheel combination
PendingJPS521811A
(en)