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.)
Asahi Seiko Co Ltd
Original Assignee
Asahi Seiko 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 Asahi Seiko Co LtdfiledCriticalAsahi Seiko Co Ltd
Priority to JP15682779UpriorityCriticalpatent/JPS6037653Y2/ja
Priority to US06/233,583prioritypatent/US4376480A/en
Priority to PCT/JP1980/000110prioritypatent/WO1980002763A1/ja
Priority to DE8080900950Tprioritypatent/DE3068669D1/de
Priority to EP80900950Aprioritypatent/EP0028656B1/en
Publication of JPS5673055UpublicationCriticalpatent/JPS5673055U/ja
Application grantedgrantedCritical
Publication of JPS6037653Y2publicationCriticalpatent/JPS6037653Y2/ja