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Priority to JP19877787UpriorityCriticalpatent/JPH01102511U/ja
Publication of JPH01102511UpublicationCriticalpatent/JPH01102511U/ja
Hardening of Steels and Irons by Surface Passivation and Heat Treatment[[Previously Titled: Hardening of Steels and Cast Irons by Passivation of Their Surface and Heat Treatment.]]