About: http://webisa.webdatacommons.org/353331849

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	According to the present invention, the foregoing and other objects and advantages are attained by offering an improved rod-in collapse method as a method for producing an optical fiber preform.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com