About: http://webisa.webdatacommons.org/158154560

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	In certain embodiments, stepping member 22 comprises a metal or alloy such as aluminum or steel.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com