About: http://webisa.webdatacommons.org/207024561

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	However, in performing the invention the thickness could vary upwards of about 3 ??m, depending on a number of factors, such as substrate and bond coat materials used, diffusion temperatures and service conditions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com