About: http://webisa.webdatacommons.org/87759233

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	FIGS. 20A and 20B illustrate a second embodiment of the invention where FIG. 20A is an exterior view of a branching sub with a main pipe and a lateral branching outlet and FIG. 20B is an axial section view of such branching sub;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com