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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G03G15/65
Apparatus which relate to the handling of copy material
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G03G15/6588
characterised by the copy material, e.g. postcards, large copies, multi-layered materials, coloured sheet material
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G03G15/6594
characterised by the format or the thickness, e.g. endless forms
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