About: http://webisa.webdatacommons.org/232289469

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	For this purpose a cover plate 60 having a cross section such as is shown in FIGURE 4 is placed in the channel so that it tra
http://www.w3.org/ns/prov#wasQuotedFrom	google.com