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.)
Hokkaido Electric Power Co Inc
Daito Denzai Co Ltd
Original Assignee
Hokkaido Electric Power Co Inc
Daito Denzai 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 Hokkaido Electric Power Co Inc, Daito Denzai Co LtdfiledCriticalHokkaido Electric Power Co Inc
Priority to JP12299489UpriorityCriticalpatent/JPH0751708Y2/ja
Publication of JPH0362429UpublicationCriticalpatent/JPH0362429U/ja
Application grantedgrantedCritical
Publication of JPH0751708Y2publicationCriticalpatent/JPH0751708Y2/ja