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Priority claimed from JP11778390Uexternal-prioritypatent/JPH081029Y2/en
Application filed by Hitachi Shipbuilding Eng CofiledCriticalHitachi Shipbuilding Eng Co
Publication of FI915289A0publicationCriticalpatent/FI915289A0/en
Publication of FI915289ApublicationCriticalpatent/FI915289A/en
Application grantedgrantedCritical
Publication of FI102369B1publicationCriticalpatent/FI102369B1/en
Publication of FI102369BpublicationCriticalpatent/FI102369B/en