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.)
Seiko Kogyo Co Ltd
Original Assignee
Seiko Kogyo 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 Seiko Kogyo Co LtdfiledCriticalSeiko Kogyo Co Ltd
Priority to JP4701275ApriorityCriticalpatent/JPS51121909A/en
Publication of JPS51121909ApublicationCriticalpatent/JPS51121909A/en