Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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B41M
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING,
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5/00
Duplicating or marking methods; Sheet materials for use therein
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B41M5/26
Thermography; ;; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
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B41M5/36
using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties
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