| http://www.w3.org/ns/prov#value | - ion regions; the dyes for the three primary colors have a high fastness; the fastness is not reduced by interaction between the dyes; and the fastnesses of the dyes for the three primary colors are well balanced. [0016] However, the principle for selecting the dyes depending on the fastness cannot be obtained, the fastness to the oxidizing gases such as ozone being particularly important matter in
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