| http://www.w3.org/ns/prov#value | - Composition according to claim 12, comprising inorganic powder having a relative particle diameter of <5 ??m and/or finely particulate organic powder having a relative particle diameter in the range from 10 nm to 50 ??m, preferably from 100 nm to 30 ??m and very particularly preferably from 1 ??m to 10 ??m.
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