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.)
Hitachi Lighting Ltd
Original Assignee
Hitachi Lighting 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 Hitachi Lighting LtdfiledCriticalHitachi Lighting Ltd
Priority to JP7669682ApriorityCriticalpatent/JPS57202071A/ja
Publication of JPS57202071ApublicationCriticalpatent/JPS57202071A/ja
Publication of JPS6220668B2publicationCriticalpatent/JPS6220668B2/ja