About: http://webisa.webdatacommons.org/325919876

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	Similarly, Morison in U.S. Pat. No. 3,620,677 describes an indicating device including an impervious material encasing a reagent-treated capillary material, such that at least some of the capillary material is exposed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca