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Priority claimed from JP52035375Aexternal-prioritypatent/JPS604719B2/ja
Priority claimed from JP9465177Aexternal-prioritypatent/JPS5430195A/ja
Priority claimed from FI780671Aexternal-prioritypatent/FI59813C/fi
Application filed by Sanraku Ocean Co, Panlabs IncfiledCriticalSanraku Ocean Co
Publication of FI801352ApublicationCriticalpatent/FI801352A/fi