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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G03G15/01
for producing multicoloured copies
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G03G15/0142
Structure of complete machines
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G03G15/0178
using more than one reusable electrographic recording member, e.g. one for every monocolour image
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G03G15/0184
at least one recording member having plural associated developing units
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