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.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki 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 Hitachi Koki Co LtdfiledCriticalHitachi Koki Co Ltd
Priority to JP6251276ApriorityCriticalpatent/JPS52146052A/ja
Publication of JPS52146052ApublicationCriticalpatent/JPS52146052A/ja
Publication of JPS5533673B2publicationCriticalpatent/JPS5533673B2/ja