| 摘要 |
A colour printing system comprising a combination of at least four, and preferably six colouring materials, each of a different colour, wherein these colours are selected from (1) an orange-red; (2) a violet-red; (3) a violet-blue; (4) a green-blue; (5) a green-yellow; and (6) an orange-yellow; as well as white and black. This system may be incorporated into a wide range of printing devices and provides a means of achieving a wide range of colours.
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