by passing charged particles through a hole or a slit

Full Title

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (mounting, arrangement or disposition of types or dies B41J1/00) > characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material (B41J2/005 takes precedence) > for electrostatic printing (B41J2/39 takes precedence) > by passing charged particles through a hole or a slit

Child Classifications

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• B41J 2/4155