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PCE
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CPC Subgroup
H01J 37/315

for welding

Full Title

Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof (H01J33/00, H01J40/00, H01J41/00, H01J47/00, H01J49/00 take precedence) > Electron-beam or ion-beam tubes for localised treatment of objects > for welding