About: http://webisa.webdatacommons.org/188713541

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, the written description of the invention should be such as to enable the person skilled in the art to make and use it without undue difficulties (cf eg T 639/95 of 21.
http://www.w3.org/ns/prov#wasQuotedFrom	epo.org