About: http://webisa.webdatacommons.org/211039745

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	Forming the bulb and ring member of the same or a chemically similar material, such as silicone, facilitates engagement therebetween.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com