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.)
Jeol Ltd
Original Assignee
Nihon Denshi KK
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 Nihon Denshi KKfiledCriticalNihon Denshi KK
Priority to JP10969777ApriorityCriticalpatent/JPS5443458A/ja
Publication of JPS5443458ApublicationCriticalpatent/JPS5443458A/ja
Publication of JPS5757816B2publicationCriticalpatent/JPS5757816B2/ja