Patent classifications
G
PHYSICS
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G03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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G03G
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
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15/00
Apparatus for electrographic processes using a charge pattern
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G03G15/14
for transferring a pattern to a second base
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G03G15/16
of a toner pattern, e.g. a powder pattern; , e.g. magnetic transfer
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G03G15/163
using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
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G03G15/1635
the field being produced by laying down an electrostatic charge behind the base or the recording member, e.g. by a corona device
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