Legal status (The legal status 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 status listed.)
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Sumiyoshi Heavy Industries Co Ltd
Original Assignee
Sumiyoshi Heavy Industries Co Ltd
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.)
Filing date
Publication date
Application filed by Sumiyoshi Heavy Industries Co LtdfiledCriticalSumiyoshi Heavy Industries Co Ltd
Priority to JP13218975ApriorityCriticalpatent/JPS5255989A/en
Publication of JPS5255989ApublicationCriticalpatent/JPS5255989A/en