About: http://webisa.webdatacommons.org/11492697

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	FIG. 5B is a cross section of a threaded coupling of the dual-flow drill string 530 illustrating a pin 530 p of the joint 530 j mated with a box 530 f of a second joint 530 j???.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com