About: http://webisa.webdatacommons.org/3508495

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	s, changes in the dimension of the wax patterns, investing, casting, changes during porcelain firing, and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com