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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Seiren Co Ltd
Original Assignee
Komatsu Seiren 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 Komatsu Seiren Co LtdfiledCriticalKomatsu Seiren Co Ltd
Priority to JP57023630ApriorityCriticalpatent/JPS58144189A/ja
Publication of JPS58144189ApublicationCriticalpatent/JPS58144189A/ja
Publication of JPS6139438B2publicationCriticalpatent/JPS6139438B2/ja