About: http://webisa.webdatacommons.org/416649187

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	More precisely the invention relates mainly to an apparatus for measuring the apparent weight of sludge contained in a liquid, characterized in that it comprises:
http://www.w3.org/ns/prov#wasQuotedFrom	google.com