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Priority claimed from JP13225278Aexternal-prioritypatent/JPS5557408A/ja
Priority claimed from JP13709878Aexternal-prioritypatent/JPS5563202A/ja
Priority claimed from FI793234Aexternal-prioritypatent/FI793234A/fi
Application filed by Meinan Machinery WorksfiledCriticalMeinan Machinery Works
Publication of FI804041LpublicationCriticalpatent/FI804041L/fi