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.)
NITSUTSU SOGO KENKYUSHO KK
NEC Corp
Original Assignee
NITSUTSU SOGO KENKYUSHO KK
Nippon Electric 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 NITSUTSU SOGO KENKYUSHO KK, Nippon Electric Co LtdfiledCriticalNITSUTSU SOGO KENKYUSHO KK
Priority to JP50028447ApriorityCriticalpatent/JPS51102595A/ja
Publication of JPS51102595ApublicationCriticalpatent/JPS51102595A/ja