High speed electron beam of electron beam welding is focused on the weld spot using

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asked Dec 23, 2017 in production by chandu (215k points)

High speed electron beam of electron beam welding is focused on the weld spot using

(a) Vacuum lens

(b) Inert gas lens

(c) Optical lens

(d) Magnetic lens

ies-objectives-2
2003
production
welding

High speed electron beam of electron beam welding is focused on the weld spot using

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