Priority date (The priority date 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 date listed.)
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Application filed by Kawasaki Steel Co, Okumura Machinery CorpfiledCriticalKawasaki Steel Co
Priority to SG1997001850ApriorityCriticalpatent/SG52981A1/en
Publication of SG52981A1publicationCriticalpatent/SG52981A1/en