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.)
TOYONAGA DENKI KENKIYUUSHIYO K
Original Assignee
TOYONAGA DENKI KENKIYUUSHIYO K
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 TOYONAGA DENKI KENKIYUUSHIYO KfiledCriticalTOYONAGA DENKI KENKIYUUSHIYO K
Priority to JP7374277ApriorityCriticalpatent/JPS548807A/en
Publication of JPS548807ApublicationCriticalpatent/JPS548807A/en