About: http://webisa.webdatacommons.org/196259844

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	The present invention has for its object to provide glasses with parts which are fixable to each other, irrespective of whether their materials are weldable or not.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com