| http://www.w3.org/ns/prov#value | - Among these pigments, barium sulfate is particularly preferable as used in the above mentioned third invention. [0047] Also, a pigment to be used in the undercoat layer has an average particle size in a range of from 0.02 to 3 ??m, preferably from 0.1 to 2.0 ??m.
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