| http://www.w3.org/ns/prov#value | - average particle size must be min. 0.2 ??m, specifically min. 0.3 ??m, preferably min. 0.5 ??m, especially min. 1 ??m, particularly min. 2 ??m and specially min. 3.5 ??m, i.e. intervals of for instance 0.2-72 ??m, specifically 0.3-48 ??m, preferably 0.5-29 ??m, especially 1-19 ??m, particularly 2-13 ??m and specially 3.5-8 ??m, compare claim 16.
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