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Standard [CURRENT]
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The standard has been prepared by Joint committee NA 092-00-15 AA "Elektronenstrahlschweißen (DVS AG V 9.1)" ("Electron beam welding (DVS AG V 9.1)" at NAS. It specifies the measurement of the focus diameter to determine the beam parameter product and the divergence angle of an electron beam for material processing, in particular for welding.