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.)
Nidec Precision Corp
Original Assignee
Nidec Copal Corp
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 Nidec Copal CorpfiledCriticalNidec Copal Corp
Priority to JP50063499ApriorityCriticalpatent/JPS51140605A/en
Publication of JPS51140605ApublicationCriticalpatent/JPS51140605A/en
Publication of JPS5444443B2publicationCriticalpatent/JPS5444443B2/ja