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.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP863977ApriorityCriticalpatent/JPS5394759A/en
Publication of JPS5394759ApublicationCriticalpatent/JPS5394759A/en
PURPOSE: To carry out the manufacture easily maintaining the precision of forming a coil at a high level by using a bar core metal with the only simple circumferential surface which is relatively easy to obtain the work precision and gap line material.
COPYRIGHT: (C)1978,JPO&Japio
JP863977A1977-01-311977-01-31Manufacture of coil filament for electron tube
PendingJPS5394759A
(en)