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.)
Nippon Chiko Co Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Nippon Chiko 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 Tokyo Electric Power Co Inc, Nippon Chiko Co LtdfiledCriticalTokyo Electric Power Co Inc
Priority to JP28638087ApriorityCriticalpatent/JPH01127720A/ja
Publication of JPH01127720ApublicationCriticalpatent/JPH01127720A/ja
Publication of JPH0458852B2publicationCriticalpatent/JPH0458852B2/ja