About: http://webisa.webdatacommons.org/406203048

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When the materials of the present invention are black-and-white photographic materials, the mean grain size of the silver halide grains is preferably 1.0 ??m or less, especially 0.7 ??m or less, as mentioned above.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com