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 JP596276ApriorityCriticalpatent/JPS5290706A/en
Publication of JPS5290706ApublicationCriticalpatent/JPS5290706A/en
PURPOSE: To rpovide a diaphragm of enhanced precision by welding different metals utilizing the electron beam welding method, without causing bends in the bead.
COPYRIGHT: (C)1977,JPO&Japio
JP596276A1976-01-231976-01-23Preparation of diaphragm
PendingJPS5290706A
(en)