specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material

Full Title

Apparatus for electrographic processes using a charge pattern > involving the combination of more than one step according to groups > specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material

Classification Context

Section:

PHYSICS

Class:

PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY

Subclass:

ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY