| 摘要 |
A printing unit (1, 2) in a web-fed rotary printing press for imprinting both sides of a printing stock web (7) with process colors cyan and/or magenta and/or yellow and/or black (CMYK), wherein at least one imprinting device (3) is arranged at the printing unit. The inking unit or inking units (9) of the imprinting device (3) is/are outfitted with an ink and/or an additive which are/is different than the process colors and which can be applied to the printing stock web (7).
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