About: http://webisa.webdatacommons.org/210124045

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	Other techniques can also be used within the scope of the invention to remove the material, including chemical etching, laser ablation, centerless grinding, and/or milling.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr