About: http://webisa.webdatacommons.org/248425820

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	It is important to note that by combining two base types in a single button assembly, each button can engage two rods.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com