About: http://webisa.webdatacommons.org/163031683

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	If the disc board 33 is replaced by a metallic disc plate, the use of anti-stick coating, such as tetrafluroethylene compound or the like, is an option.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com